A control unit of the OCT apparatus performs a change-amount calculation step and a normalization step. In the change-amount calculation step, the control unit calculates an amount of change between a first complex OCT signal Cn and a second complex OCT signal Cn+1 acquired at different times at the same position on the biological tissue. In the normalization step, the control unit generates motion contrast data by normalizing the calculated amount of change based on a magnitude of the first complex OCT signal Cn and the second complex OCT signal Cn+1.
A medical image processing device includes a control unit that executes: an image data acquisition step of acquiring first image data and second image data that were captured on a living tissue of a same subject at different times; a correlation acquisition step of acquiring, for positions in the X-Y directions, a plurality of correlations between the plurality of Z-directions images in the first image data and the plurality of Z-direction images in the second image data, each of the correlations being acquired for a pair of one of the plurality of Z-direction images in the first image data and a corresponding one of the plurality of Z-direction images in the second image data both of which have a same imaging position; and a correlation output step of processing and outputting the plurality of correlations for the positions in the X-Y directions.
An ophthalmologic image processing device: acquires a data set comprising a plurality of image data that are image data for an eye under examination and are ordered in time series; divides the data set into a plurality of subsets demarcated by several reference times; obtains, for each of the subsets, first change-over-time information indicating the change over time, from the reference time, in the tissue of the eye being examined; and acquires second change-over-time information by connecting the respective first change-over-time information for the respective subsets. In analysis processing, each of the subsets is determined based on an evaluation value for the change between the respective image data in the data set, so that the respective subsets do not include image data uncorrelated with the image data for the reference time.
An eyeglasses lens machining device includes a period information acquisition unit that acquires period information indicating a predetermined period during which a consumable item is used in the eyeglasses lens machining device, a machining information acquisition unit that acquires machining information on machining of an eyeglasses lens by the eyeglasses lens machining device in the predetermined period, a recommendation information acquisition unit that acquires recommendation information for recommending replacement of the consumable item, a prediction unit that predicts a replacement time to replace the consumable item based on the period information acquired by the period information acquisition unit, the machining information acquired by the machining information acquisition unit, and the recommendation information acquired by the recommendation information acquisition unit, and an output unit that outputs a prediction result predicted by the prediction unit.
B24B 41/00 - Component parts of grinding machines or devices, such as frames, beds, carriages or headstocks
B24B 9/14 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
B24B 13/06 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other workAccessories therefor grinding of lenses, the tool or work being controlled by information carrying means, e.g. patterns, punched tapes, magnetic tapes
A fundus imaging device has a fixation optical system, an OCT optical system, an imaging optical system, and a controller. The controller is configured to acquire a focus evaluation value based on a slit image formed by slit-shaped illumination light on a two-dimensional imaging element of the imaging optical system in a case where an optical scanner of the imaging optical system deflects in a predetermined direction. The controller is configured to perform diopter correction control of the OCT optical system by driving a first focus adjustment unit of the OCT optical system based on the focus evaluation value.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
6.
ULTRASONIC TONOMETER AND OPHTHALMIC ULTRASONIC ACTUATOR
An ultrasonic tonometer includes an ultrasonic actuator having an ultrasonic element and configured to irradiate the subject eye with ultrasound generated by the ultrasonic element. The ultrasonic actuator includes: a sonotrode propagating ultrasound generated by the ultrasonic element into air; a flexural vibration portion disposed on a distal side of the sonotrode in an axial direction of the ultrasonic actuator; and a reflecting portion covering, with a gap with the flexural vibration portion, at least a part of the flexural vibration portion in a circumferential direction.
A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
A fundus imaging apparatus includes a base, a display unit, an imaging optical system, an OCT optical system, a control unit configured to execute at least (i) imaging control of an imaging optical system and an OCT optical system, (ii) display control processing of a color image and an OCT image based on OCT data, and (iii) analysis processing of the OCT data, and an imaging unit housing the imaging optical system, the OCT optical system, and the control unit therein. The control unit is disposed above the imaging optical system and the OCT optical system in the imaging unit. The imaging unit includes an exhaust port that discharges air heated by the control unit. The exhaust port is located at the same height as the control unit or at a position higher than the control unit.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
An ophthalmic laser treatment apparatus irradiates therapeutic laser light to tissue of a patient's eye each time an execution instruction for irradiating the therapeutic laser light is input. The ophthalmic laser treatment apparatus includes: a laser irradiation optical system irradiating the therapeutic laser light to the patient's eye; an observation optical system causing an operator to observe an observation image of the patient's eye through an eyepiece lens; an internal display unit provided in the observation optical system and configured to display an image to the operator through the eyepiece lens; and a control unit.
Medical diagnostic apparatus for testing for eyes, and for diagnosing eye related diseases, including astigmatism; Ophthalmoscopes; Eye testing machines and apparatus
10.
SUBJECTIVE OPTOMETRY SYSTEM AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING SUBJECTIVE OPTOMETRY PROGRAM
A subjective optometry system includes a target presentation unit which presents an examination visual target to a subject eye, a correction unit which changes an optical characteristic of a target light flux emitted from the target presentation unit, a self-optometry program setting unit which sets either a first self-optometry program that automatically proceeds with examination items for the subject eye based on a response input by an examinee, or a second self-optometry program that automatically proceeds with examination items for the subject eye based on a response input by the examinee, and a control unit which controls, based on the first self-optometry program or the second self-optometry program set by the self-optometry program setting unit, at least one of the target presentation unit and the correction unit to advance an optometry according to a procedure of the first self-optometry program or the second self-optometry program.
An ophthalmic apparatus has an examination window, a first optical system which projects a first pattern index with visible light onto a subject eye from an outside of the examination window, a second optical system which projects a second pattern index with infrared light onto the subject eye from an inside of the examination window, an imaging optical system including an imaging element which receives a first cornea reflection image caused by the first pattern index and a second cornea reflection image caused by the second pattern index via an objective lens, and a coupler which couples optical paths of the imaging optical system and the second optical system. The coupler is an optical element having a characteristic in which an attenuation ratio of the visible light is smaller than that of the infrared light in an optical path from a cornea of the subject eye toward the imaging element.
A61B 3/107 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining the shape or measuring the curvature of the cornea
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
12.
OPHTHALMIC LASER TREATMENT APPARATUS AND TREATMENT LASER LIGHT IRRADIATION UNIT
An ophthalmic laser treatment apparatus includes a laser treatment apparatus main body that irradiates a first treatment laser light onto a patient's eye via an objective lens; a treatment laser light irradiation unit mounted above the objective lens on the laser treatment apparatus main body. The treatment laser light irradiation unit irradiates a second treatment laser light, different from the first treatment laser light, onto the patient's eye via a final mirror disposed at a predetermined irradiation position in front of the objective lens. The ophthalmic laser treatment apparatus further includes a movement mechanism that moves the final mirror between the irradiation position and a predetermined retracted position outside an optical path of the first treatment laser light. The movement mechanism laterally moves the final mirror from the irradiation position to the retracted position relative to the objective lens.
A medical information processing device identifies a target patient whose medical information is to be processed. The medical information processing device displays, as a matrix display on the display unit, at least some of the plurality of types of medical information concerning the target patient, by arranging the plurality of types of medical information by type in one of the vertical and horizontal rows and arranging the information by acquisition time in chronological order in the other of the vertical and horizontal rows.
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
Medical apparatus and instruments; Diagnostic, examination, and monitoring equipment; keratoscopes; ophthalmoscopes; ophthalmometer; eye testing equipment and apparatus.
15.
OCT IMAGE PROCESSING PROGRAM, OCT IMAGE PROCESSING DEVICE, AND OCT IMAGE PROCESSING METHOD
An OCT image processing program causes an OCT image processing device to perform: an image acquisition step of acquiring a shallow layer image and a deep layer image which are generated based on the motion contrast data, wherein the shallow layer image is an image of a shallow region of the living tissue, and the deep layer image is an image of a deep region deeper than the shallow region; a correction weight calculation step of calculating a correction weight for correcting the deep layer image such that a correlation between the shallow layer image and the deep layer image is reduced; and an image correction step of correcting the deep layer image according to the calculated correction weight. At the correction weight calculation step, the correction weight is calculated using a robust estimation method.
An ophthalmic measurement device is provided and includes: a measurement optical system, projecting measurement light onto a fundus of an eye to be examined and receive a reflected light from the fundus by a light receiving element; a conversion member, arranged at a pupil conjugate position of the eye to be examined in the measurement optical system, converting the reflected light into multiple ring images; a limiting part, including a limiting member arranged at a conjugate position of the conversion member or in the vicinity of the conversion member, and changing a measurement region on the eye to be examined by limiting some of the ring images with the limiting member; a limiting controller, controlling the limiting part and causing the measurement region to change in at least two patterns; and a processor, processing the ring images and obtaining eye refractive power information.
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
An ophthalmic device for measuring a cornea shape of an examinee's eye includes a measurement pattern index plate on which a pattern index for measuring the cornea shape of the examinee's eye is formed, and a surface light emitting panel in a flat plate shape that illuminates the measurement pattern index plate from behind to project the pattern index onto the cornea of the examinee's eye. The surface light emitting panel includes a light guide plate that guides light, an illuminating light source configured at an end portion of the light guide plate, and a reflection pattern configured on a back surface side of the light guide plate to reflect light from the illuminating light source to a front surface side of the light guide plate. A density of the reflection pattern is adjusted corresponding to a positional relationship between the surface light emitting panel and the pattern index.
A61B 3/107 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining the shape or measuring the curvature of the cornea
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/15 - Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection
An ophthalmic laser treatment device includes a control unit that executes a guide display step of controlling a display unit to display a guide in accordance with a progress of an irradiation plan. The guide is used to align a target position on a tissue of a patient's eye with a next irradiation spot of a plurality of irradiation spots at which treatment laser light is scheduled to be emitted next time. The control unit further executes an irradiation position movement step of moving an irradiation position of the treatment laser light and an aiming light by controlling an irradiation position moving unit.
An ultrasonic ophthalmic tonometer uses a plurality of ultrasonic elements to irradiate a subject eye with an ultrasonic wave having a sufficient output for intraocular pressure measurement. The ultrasonic ophthalmic tonometer measures an intraocular pressure of the subject eye by using the ultrasonic wave. The ultrasonic ophthalmic tonometer includes an imaging optical system that images the subject eye, and an irradiation unit including the plurality of ultrasonic elements and a support member supporting the ultrasonic elements, and irradiating the subject eye with the ultrasonic wave. An opening portion is provided with the support member. The opening portion allows an optical axis of the imaging optical system to pass therethrough.
A medical image processing device includes a control unit configured to perform: an image acquisition step of acquiring a front image and a tomographic image that are captured from a same living tissue of a same subject; an image display step of displaying the front image and the tomographic image on a display unit; and when an instruction for changing a display magnification of one of the front image and the tomographic image is input into the display unit, a display magnification change step of changing, in accordance with the input instruction, both a display magnification of the one of the front image and the tomographic image for which the instruction was given and a display magnification of an other of the front image and the tomographic image for which the instruction was not given.
An OCT image processing device includes a control unit is programmed to perform: an image acquisition step of acquiring the OCT image taken by the OCT device; a normalization step of performing a normalization process on the OCT image acquired at the image acquisition step to generate a normalized image from the OCT image; and a medical information acquisition step of acquiring medical information output by a mathematical model by inputting the normalized image generated at the normalization step into the mathematical model that has been trained by a machine learning algorithm using a plurality of training images that are OCT images. The normalized image is generated by approximating at least one of characteristics of the OCT image to statistical information of characteristics of the plurality of training images.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Laboratory apparatus and instruments; photographic machines and apparatus; cameras; cinematographic machines and apparatus; optical machines and apparatus; microscopes; lenses for microscopes; optical lenses; corrective lenses (for optical use); optical filters; measuring or testing machines and instruments; flatness measuring instruments for semiconductor wafers; telecommunication machines and apparatus; Screen filters for computers and televisions; Filters for display screens; Digital cameras; Video cameras; portable information display terminals; covers for smartphones; Cases for smartphones; Protective films for smartphones; Computers; Computer storage devices; Computers and their peripherals; Computer operating programs; Computer software; Computer hardware; Computer programs; Medical computer software; Medical computer programs; Computer software for electronic medical records; Application software; electron microscopes; spectacles [eyeglasses and goggles]; Sunglasses; Contact lenses; Parts and accessories for spectacles; Lenses for spectacles [eyeglasses and goggles]; Electronic publications. Medical apparatus and instruments; Diagnostic, examination, and monitoring equipment; Medical analysis devices; Medical rehabilitation apparatus and instruments; Medical ultrasonic diagnostic machines and apparatus; Radiation devices for medical use; keratoscopes; tonometers; Ophthalmoscopes; ophthalmometer; eye testing machines and apparatus; Surgical apparatus and instruments; Dressing forceps [for surgical use]; Laser generators for ophthalmic use; Therapeutic apparatus and instruments; Lavage apparatus [for therapeutic purposes]; Intraocular lenses; Surgical implants made of artificial materials; Ophthalmic implants made of artificial materials; Orthopedic articles; Tubes for catheters; Medical ophthalmic cameras; Dental machines and apparatus; Contraceptives, non-chemical; Medical masks; Suturing materials; Baby bottles. Providing medical information; Physical examination; Rental of medical apparatus and instruments; Medical consultation, namely consultation on vision and vision correction; Medical counselling, namely counselling on vision and vision correction; Providing medical information on the usage of pharmaceuticals and medical devices for vision correction and eye care via the internet; Ophthalmic examination; Providing information on ophthalmic examination; Providing information on ophthalmic medical care; Ophthalmic medical consultation; Rental of ophthalmic examination equipment.
23.
EYEGLASSES LENS PROCESSING SYSTEM AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM
An eyeglasses lens processing system includes the transport robot that holds an eyeglasses lens in a holding portion to transport the eyeglasses lens, an eyeglasses lens processing device that processes the eyeglasses lens held between a pair of the lens holding shafts, a shape information acquisition unit that acquires information about a refractive surface shape of the eyeglasses lens, and a relative movement unit that changes a relative positional relationship between the eyeglasses lens held by the holding portion of the transport robot and the pair of lens holding shafts. The relative movement unit at least two-dimensionally changes the relative positional relationship, based on acquired information of the refractive surface shape, to insert the eyeglasses lens into a predetermined insertion position in a gap between the pair of lens holding shafts.
There is provided a target presentation device for presenting a target to a subject eye. The target presentation device including a format setting means that sets a display format of a visual acuity value of an examination target used in an examination of the subject eye, based on an operation signal, and an output means that outputs a target to be presented to the subject eye, based on the visual acuity value represented in the display format set by the format setting means.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
25.
Ophthalmology information processing method, control method, and ophthalmology information processing system
A control method includes: an instruction step of transmitting an instruction to an ophthalmological imaging device to execute an imaging-related operation; an acquisition step of acquiring, from the ophthalmology imaging device, a subject's eye image taken in accordance with the instruction; and a diagnosis support step of outputting diagnosis support information for the subject's eye image. The instruction step further includes generating the instruction to meet a specification of an API (Application Programming Interface) or an SDK (Software Development Kit) as a software interface.
H04N 23/00 - Cameras or camera modules comprising electronic image sensorsControl thereof
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/14 - Arrangements specially adapted for eye photography
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
In this invention, a control unit in an ophthalmic image processing device acquires an ophthalmic image captured by an ophthalmic image capture device (S11). The control unit, by inputting the ophthalmic image into a mathematical model that has been trained by a machine-learning algorithm, acquires a probability distribution in which the random variables are the coordinates at which a specific site and/or a specific boundary of a tissue is present within a region of the ophthalmic image (S14). On the basis of the acquired probability distribution, the control unit detects the specific boundary and/or the specific site (S16, S24).
A non-transitory, computer readable storage medium stores an ophthalmology information processing program for at least one processor of an ophthalmology computer. The program includes instructions, when executed by the at least one processor, cause the at least one processor to: sequentially display a plurality of examination results on a screen; generate a plurality of converted examination results by converting the plurality of examination results in a predetermined format; and collectively performing a transfer process on the plurality of converted examination results each corresponding to a respective one of the plurality of examination results upon receiving a transfer operation. When generating the plurality of converted examination results, the instructions further cause the at least one processor to generate at least one of the plurality of converted examination results before receiving the transfer operation.
A medical image processing device processes tomographic image data of a living tissue. The medical image processing device includes a control unit that includes at least one processor and at least one memory storing computer program code. The computer program code, when executed by the at least one processor, causes the at least one processor to: acquire a tomographic image in which a layer of the living tissue appears; perform a tilt-reduction process on the acquired tomographic image to reduce a tilt of the layer of the living tissue with respect to a main direction; and acquire medical data by inputting, into a mathematical model, a tilt-reduced image that is the tomographic image on which the tilt-reduction process was performed.
An OCT device includes a controller configured to: acquire OCT data of a tissue of a subject in a depth direction that is generated by processing interference signal detected by a light receiving element; and perform a correction process to reduce an effect by a noise floor in the OCT data using a plurality of correction amounts each of which is set in accordance with depth at a corresponding data acquisition position. Strength of the noise floor varies depending on the depth of the data acquisition position.
The control unit executes an irradiation plan acquisition step and a spot interval guide display step. At the irradiation plan acquisition step, the control unit acquires an irradiation plan for irradiating a patient's eye with treatment laser light using a contact lens having a reflective surface that reflects the treatment laser light in a direction intersecting the optical axis. At the spot interval guide display step, the control unit controls the internal display unit to display a spot interval guide indicative of an appropriate interval between a plurality of irradiation spots in accordance with the progress of the irradiation plan. The plurality of irradiation spots are scheduled to be irradiated with the laser light.
A processor of a control apparatus, which controls an eyeglasses lens machining apparatus, performs a check operation execution step (S14, S17, S19, and S21 to S23) and a result output step (S24), based on a state management program. In the check operation execution step, the processor causes the eyeglasses lens machining apparatus to execute a check operation for checking a state of the eyeglasses lens machining apparatus. In the result output step, the processor outputs information indicating a result of the executed check operation.
B24B 9/14 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
A controller of an ophthalmic apparatus finely drives and roughly drives a drive unit of an optometry unit. In a case where a tilt operation of tilting the operation stick within a predetermined range is detected by an operation detection unit, the controller finely drives the drive unit by controlling the drive unit in response to the detected tilt operation, and finely changes a position of the optometry unit. In a case where at least one of a tilt operation of tilting the operation stick over a predetermined range and an operation of a rough movement operation unit is detected by the operation detection unit, the controller roughly drives the drive unit by controlling the drive unit in response to the detected operation, and roughly changes the position of the optometry unit.
A medical image processing device is configured to process data of a three-dimensional image of a biological tissue. The medical image processing device includes a controller configured to: acquire, as an image acquisition step, a three-dimensional image of a tissue; extract, as an extraction step, a first region from the acquired three-dimensional image, the first region being a part of the three-dimensional image; and acquire, as a first structure detection step, a detection result of a specific structure of the tissue in the extracted first region by inputting the first region into a mathematical model that is trained by a machine learning algorithm to output a detection result of a specific structure that is shown in an image input into the mathematical model.
G06T 15/00 - 3D [Three Dimensional] image rendering
G06V 10/24 - Aligning, centring, orientation detection or correction of the image
G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]
G06V 10/75 - Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video featuresCoarse-fine approaches, e.g. multi-scale approachesImage or video pattern matchingProximity measures in feature spaces using context analysisSelection of dictionaries
34.
Ultrasonic tonometer and non-transitory computer readable storage medium
An ultrasonic tonometer for measuring intraocular pressure of a subject eye by using an ultrasonic wave. The ultrasonic tonometer includes an irradiation unit configured to irradiate the subject eye with a focused ultrasonic wave, and a Z-alignment detection unit configured to detect an alignment state in a working distance direction with respect to the subject eye. An appropriate Z-alignment position is set to a position that is farther from the irradiation unit than is a geometric focal position of the irradiation unit. The appropriate Z-alignment position is detected by the Z-alignment detection unit.
A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
35.
OPHTHALMOLOGIC IMAGE PROCESSING SYSTEM, OPHTHALMOLOGIC IMAGE PROCESSING DEVICE, AND STORAGE MEDIUM FOR STORING OPHTHALMOLOGIC IMAGE PROCESSING PROGRAM
An ophthalmologic image processing system includes: an ophthalmologic imaging device that is configured to capture the ophthalmologic image; a display unit that is configured to display various types of medical information; and a control unit that is configured to control the display unit to display the various types of medical information. The control unit includes at least one processor programmed to: acquire the ophthalmologic captured by the ophthalmologic imaging device; generate the various types of medical information to be displayed on the display unit by performing a plurality of mutually different processes on the acquired ophthalmologic image; and control the display unit to sequentially display the various types of medical information upon generating each of the various types of medical information.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
36.
Ophthalmologic imaging method, ophthalmologic imaging device, and storage medium for storing ophthalmologic imaging control program
An ophthalmologic imaging method is implemented by an control unit of an ophthalmologic imaging device for acquiring entire image data of the tissue by repeatedly performing the steps of: setting a scanning position; acquiring the partial image data by applying, to an optical scanning unit, a driving signal that causes the optical scanning unit to scan light on a tissue of a subject eye at the scanning position that was set this time; and continuously operating the optical scanning unit after capturing the partial image data based on the scanning position that was set this time was completed by applying, to the optical scanning unit, a continuous driving signal.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
An OCT apparatus including: an OCT optical system irradiating an imaging site of an examinee's eye with measurement light, the OCT optical system detecting a spectral coherence signal of the measurement light with reference light; an observing optical system irradiating the imaging site with observation light, the observing optical system acquiring a front image of the imaging site; a changing means changing the imaging site in the OCT optical system and the observing optical system between a fundus of the examinee's eye and an anterior segment; a driving part moving an imaging unit including the OCT optical system and the observing optical system with respect to the examinee's eye; and a controller. The controller displays a front image of the anterior segment sequentially acquired through the observing optical system in a first region on a screen, and receives an operation input that controls the driving part through the first region.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
An OCT device includes an OCT optical system, a controller which acquires OCT data based on a signal from the OCT optical system and controls the OCT optical system to execute an OCT data acquisition operation, a light guide optical system, and an adjuster adjusting a three-dimensional position of the light guide optical system with respect to a subject eye. The light guide optical system includes an optical scanner scanning the subject eye with the measurement light, and an objective optical system which is disposed between the optical scanner and the subject eye and forms a pivot point around which the measurement light passing through the optical scanner is pivoted. The controller guides the three-dimensional position such that the pivot point is arranged at a target position set between the subject eye and the objective optical system, and further executes the OCT data acquisition operation at the target position.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/107 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining the shape or measuring the curvature of the cornea
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
39.
Ophthalmic information processing method, ophthalmic apparatus, and storage medium storing ophthalmic information processing program
An ophthalmic information processing method includes: acquiring first distribution data representing two-dimensional distribution of first measurement data of examinee's eye-tissue; acquiring second distribution data representing two-dimensional distribution of second measurement data of a measurement target different from that of the first measurement data in the examinee's eye tissue, the two-dimensional distribution being related to a region overlapping with that of the first distribution data; generating a first isoline map in which pixels in a closed section enclosed by an isoline are filled with a color or density level in accordance with a value of the first measurement data, the first isoline map representing the first distribution data; generating a wireframe second isoline map in which a closed section enclosed by adjacent isolines are not filled, the second isoline map representing the second distribution data; and generating a superimposed map by superimposing the first isoline map and the second isoline map.
A dyeing system includes a transport device that transports a transport unit including a resin body, a transfer device that transfers a dye to the resin body in a state where a base body to which the dye is adhered faces the resin body, a laser fixing device that heats the resin body to which the dye is transferred by irradiating a surface of the resin body with laser light, an oven fixing device that heats a whole of the resin body to which the dye is transferred by the transfer device, a laser-applied transport path through which the transport unit including the resin body on which the dye is to be fixed by the laser fixing device is transported, and an oven-applied transport path through which the transport unit including the resin body on which the dye is to be fixed by the oven fixing device is transported.
An ophthalmic apparatus includes an examination unit examining a subject eye, a drive unit moving the examination unit relative to the subject eye, a first imaging unit capturing a face image, a second imaging unit capturing an anterior segment image of the subject eye, a controller, and first and second acquisition units. The controller performs an adjustment process including a position acquisition of the subject eye based on the face image, a first drive control such that the subject eye is positioned within an imaging range of the second imaging unit based on the acquired position, and a second drive control based on the anterior segment image to adjust a position of the examination unit relative to the subject eye. The first acquisition unit acquires the position of the subject eye through a detection. The second acquisition unit acquires the position of the subject eye through an input operation.
An eyeglasses lens machining apparatus works to perform a check operation implementation step of causing the apparatus to implement a check operation for checking a malfunction state of an operation of the apparatus, a self-restoration step of updating a calibration state of the apparatus related to the malfunction state, to self-restore the apparatus from the malfunction state, and a determination step of determining whether to shift to the self-restoration step, based on a result of the check operation. The apparatus works to further perform a measures output step of outputting information related to measures against an operation failure of a component in the apparatus, in which, in the determination step, it is determined whether to shift to the measures output step or shift to the self-restoration step, based on the result of the check operation.
B24B 13/06 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other workAccessories therefor grinding of lenses, the tool or work being controlled by information carrying means, e.g. patterns, punched tapes, magnetic tapes
B24B 51/00 - Arrangements for automatic control of a series of individual steps in grinding a workpiece
An ophthalmic apparatus objectively measures optical characteristics of a subject eye. The ophthalmic apparatus includes an eye refractive power measuring optical system and a contrast measuring optical system. The eye refractive power measuring optical system includes a first light projecting optical system projecting a first measurement light flux toward a fundus of the subject eye, and a first light receiving optical system in which a first detector detects a first reflection light flux reflected by the fundus as a first index pattern image. The contrast measuring optical system includes a second light projecting optical system projecting a patterned second measurement light flux toward the fundus of the subject eye, and a second light receiving optical system in which a second detector detects a second index pattern image formed by a second reflection light flux reflected by the fundus. The first detector and the second detector are different detectors.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
44.
STORAGE MEDIUM STORING OPTOMETRY CONTROL PROGRAM AND SUBJECTIVE OPTOMETRY SYSTEM
A non-transitory, computer readable, storage medium stores a self-optometry control program that is executed by a first information processing device and includes a self-optometry program. The self-optometry program causes the first information processing device to perform executing a calling operation based on a calling instruction and setting an examination timing for an assistance operation such that the assistance operation starts from an examination item that was performed at a timing the calling instruction was inputted.
A non-transitory, computer readable, storage medium stores an optometry control program including a self-optometry application program. The self-optometry application program, when executed by a first information processing device, causes the first information processing device to perform executing an assistance operation to assist in a progress of a self-optometry for an examinee when a problem occurs during the progress of the self-optometry.
A61B 3/02 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient
G16H 40/67 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
G16H 80/00 - ICT specially adapted for facilitating communication between medical practitioners or patients, e.g. for collaborative diagnosis, therapy or health monitoring
An ophthalmic system for examining a subject eye of an examinee includes a plurality of examination units, a robot mechanism, and a controller. The plurality of examination units have housings different from each other, perform examinations different from each other, and include at least a first examination unit and a second examination unit. The robot mechanism has a holding unit that holds and releases either the first examination unit or the second examination unit, and a moving unit that is connected to the holding unit and moves three-dimensionally. A controller controls driving of the robot mechanism to adjust a relative positional relationship between the subject eye and the first examination unit or the second examination unit held by the holding unit. The first examination unit or the second examination unit is replaced to be held by the holding unit for performing a different examination on the subject eye.
A processor of an ophthalmologic image processing device acquires an ophthalmologic image photographed by an ophthalmologic image photographing device. The processor inputs the ophthalmologic image into a mathematical model trained by a machine learning algorithm to acquire a result of an analysis relating to at least one of a specific disease and a specific structure of a subject eye. The processor acquires information of a distribution of weight relating to an analysis by a mathematical model, as supplemental distribution information, for which an image area of the ophthalmologic image input into the mathematical model is set as a variable. The processor sets a part of the image area of the ophthalmologic image, as an attention area, based on the supplemental distribution information. The processor acquires an image of a tissue including the attention area among a tissue of the subject eye and displays the image on a display unit.
An eye examination device includes a first objective measurement unit configured to objectively measure eye refractive power of at least one of subject eyes using a method different from a photorefraction method, a second objective measurement unit configured to objectively measure eye refractive power of at least one of the subject eyes using the photorefraction method, and a controller configured to control at least one of the first objective measurement unit or the second objective measurement unit to acquire the eye refractive power.
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A fundus photographing apparatus includes: a photographing unit including a front photographing optical system that forms, on a pupil of an examinee's eye, an illuminating light projection region and an illuminating light receiving region next to each other in a first direction, the front photographing optical system scanning a fundus of examinee's eye with illuminating light to acquire two-dimensional reflection image of the fundus; a driver that moves the photographing unit relative to examinee's eye; and a processor that switches, between a first and a second alignment mode, a control of guiding a positional relation between the examinee's eye and the photographing unit, the positional relation being guided to a first alignment state in predetermined positional relationship in the first alignment mode, and being guided to a second alignment state displaced at least in a direction crossing the first direction from the first alignment state in the second alignment mode.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/15 - Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection
50.
OPTOMETRY SYSTEM AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM
This optometry system, for presenting a test chart to an eye being tested and subjectively measuring an optical characteristic of the eye being tested, is provided with a setting means which sets a reference value based on the subject's reaction time to a test chart, a reaction input means which inputs the response of the subject reading the test chart, a control means which automatically advances the test on the basis of an input signal from the response input means, and a guidance information output means which, on the basis of the reference value set by the testing means, outputs guidance information for guiding the subject to input a response during testing of the eye being tested. Hereby, it is possible to accurately carry out a subjective test on the eye being tested.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Metalworking machines and tools; machines and apparatus for
polishing [electric]; glassware manufacturing machines and
apparatus; glass-working machines; plastic processing
machines and apparatus; lens processing machines and
apparatus; spectacle lens manufacturing machines and
apparatus; lens polishing devices; rammers [machines]. Laboratory apparatus and instruments; photographic machines
and apparatus; cameras; cinematographic machines and
apparatus; optical machines and apparatus; microscopes;
lenses for microscopes; optical lenses; correcting lenses
[optics]; optical filters; measuring or testing machines and
instruments; semi-conductor wafer flatness measuring
devices; telecommunication machines and apparatus; screen
filters for computers and televisions; display screen
filters; digital cameras; videocameras [camcorders];
personal digital assistants; covers for smartphones; cases
for smartphones; protective films adapted for smartphones;
computers; computer memory devices; computer peripheral
devices; computer operating programs; computer software;
computer hardware; computer programs; computer software for
medical purposes; computer programs for medical purposes;
electronic health record computer software for medical
purposes; application software; electron microscopes;
spectacles [eyeglasses and goggles]; sunglasses; contact
lenses; parts and accessories for spectacles; lenses for
spectacles; electronic publications. Medical apparatus and instruments; diagnostic apparatus and
instruments; testing apparatus for medical purposes; body
rehabilitation apparatus for medical purposes; ultrasonic
medical diagnostic apparatus; radiological apparatus for
medical purposes; keratoscopes; tonometers; ophthalmoscopes;
ophthalmometers; eye testing machines and apparatus;
surgical apparatus and instruments; dressing forceps for
surgical use; lasers for ophthalmic purposes; therapeutic
apparatus and instruments; lavage apparatus for therapeutic
purposes; medical supportive equipment for hospitals; lenses
[intraocular prostheses] for surgical implantation; surgical
implants comprised of artificial materials; ocular implants
made from artificial materials; orthopedic articles; tubing
for use with catheters; ophthalmic cameras for medical
purposes; dental apparatus and instruments; contraceptives,
non-chemical; sanitary masks for medical purposes; suture
materials; babies' bottles.
52.
FUNDUS IMAGE PROCESSING APPARATUS AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM
A fundus image processing apparatus including a controller configured to perform image acquisition processing of acquiring a three-dimensional tomographic image of the fundus of the subject eye, reference position setting processing of setting a reference position in a region of an optic nerve head in the two-dimensional measurement region in which the three-dimensional tomographic image was captured, radial pattern setting processing of setting a radial pattern with respect to the two-dimensional measurement region, image extraction processing of extracting a two-dimensional tomographic image in each of a plurality of lines of the radial pattern set in a redial pattern setting processing, and optic nerve head end detection processing of detecting a position of an end of the optic nerve head captured in the three-dimensional tomographic image.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A dyeing data management method is performed between dyeing systems disposed at different locations. The method includes a first dyeing step of dyeing a lens in a first dyeing system, a first acquisition step of acquiring first result color information of the lens dyed in the first dyeing system, a dyeing data creation step of creating dyeing data based on a discharge amount of dye in the first dyeing step and the first result color information, a data provision step of providing the dyeing data for dyeing a lens to a predetermined color from the first dyeing system to a second dyeing system, a second dyeing step of performing dyeing of a lens according to the provided dyeing data in the second dyeing system, and a second acquisition step of acquiring second result color information of the lens dyed in the second dyeing system.
An eyeglasses lens measurement device measures an eyeglasses lens of eyeglasses. The eyeglasses lens measurement device includes a light source that emits a measurement light flux toward the eyeglasses lens, a transmissive display that transmits the measurement light flux from the light source and displays an index pattern formed by arranging a plurality of indexes, a detector that detects the measurement light flux passing through the eyeglasses lens and the transmissive display, and a controller. The controller is configured to control a display of the index pattern, acquire an optical characteristic of the eyeglasses lens, based on a detection result of the detector, and acquire lens information different from the optical characteristic of the eyeglasses lens, based on a detection result of the detector.
An ophthalmic apparatus includes a tester having a target projecting optical system and a target photographing optical system. with a configuration on an examinee's eye side being non-telecentric, an alignment adjuster that adjusts at least a positional relationship between an examinee's eye and the tester in the direction of a working distance between the examinee's eye and the tester, and a corrector that acquires an actual error from a proper working distance based on association information indicating the association of position information on the positions of first and second target images on an observation image with an error in the working distance with respect to the proper working distance due to the corneal curvature radius of the examinee's eye and the non-telecentricity of the target photographing optical system and the position information on the tester at the current position thereof in the working distance direction, correcting the actual error.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A fragmentation tip includes a shaft part and a fragmentation part. The shaft part has a tubular shape having a center axis that matches with a rotational axis of the fragmentation tip. The fragmentation part has a tubular shape and is connected to a distal end portion of the shaft part such that a center axis thereof is inclined to the rotational axis of the fragmentation tip. The fragmentation part and the shaft part form a suction passage therein. The fragmentation part has an annular open end at its distal end. The open end has a linear open end linearly formed when seen from a distal end side in the rotational axis. The linear open end is formed in a portion of the annular open end that is the closest to the rotational axis. The rotational axis passes through a region inside an outer circumference of the annular open end.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
(1) Metalworking machines and tools; glassware manufacturing machines; glass-working machines, namely, glass cutting machines, glass polishing machines, and machines for washing glassware; plastic processing machines, namely, machines for extruding plastics, machines for molding plastics, and injection plastic molding machines; lens processing machines, namely, machines for cutting and grinding ophthalmic lenses; spectacle lens manufacturing machines, namely, machines for use in cutting, drilling, marking, engraving, and shaping spectacle lens
(2) Cameras; microscopes; lenses for microscopes; optical lenses; correcting lenses [optics]; optical filters; ophthalmic instruments for measuring and testing prescription eyeglass lenses to determine the sphere, cylinder, axis, and prism; semi-conductor wafer flatness measuring devices; screen filters for computers and televisions; display screen filters; digital cameras; videocameras [camcorders]; personal digital assistants; covers for smartphones; cases for smartphones; protective films adapted for smartphones; computers; computer memory devices, namely, computer memory boards, computer memory expansion modules, and random access memory [RAM] cards; computer peripheral devices, namely, computer monitors, computer display screens, and computer display monitors; computer operating programs; computer hardware; downloadable computer software for medical purposes, namely, for use in cutting, drilling, marking, engraving, and shaping optical lenses for eyeglasses; downloadable computer programs for medical purposes, namely, for use in cutting, drilling, marking, engraving, and shaping optical lenses for eyeglasses; recorded computer software for maintaining and accessing electronic health records for medical purposes; downloadable software applications for medical purposes, namely, for use in cutting, drilling, marking, engraving, and shaping optical lenses for eyeglasses; electron microscopes; spectacles [eyeglasses and goggles]; sunglasses; contact lenses; parts and accessories for spectacles, namely, spectacle cases, spectacle chains, spectacle cords, and spectacle frames; lenses for spectacles; downloadable electronic publications in the nature of magazines and manuals in the field of ophthalmology
(3) Medical apparatus and instruments for diagnostic use, namely, fundus cameras, optical coherence tomography scanners, optometric autorefractors, gonioscopes, and lens meters; ophthalmic rehabilitation apparatus for medical purposes, namely, intraocular lenses, retinal prostheses, and electronic medical devices implanted in the eye to help restore vision; ultrasonic medical diagnostic apparatus; radiological apparatus for medical purposes; keratoscopes; tonometers; ophthalmoscopes; ophthalmometers; eye testing machines; surgical apparatus for ophthalmic purposes, namely, lasers for retinal photocoagulation, YAG laser for capsulotomy, and surgical apparatus for cataract surgery and vitrectomy, namely, surgical scissors and forceps; surgical instruments; dressing forceps for surgical use; lasers for ophthalmic purposes; lenses [intraocular prostheses] for surgical implantation; ocular implants made from artificial materials; tubing for use with catheters; ophthalmic cameras for medical purposes; sanitary masks for medical purposes; suture materials; babies' bottles
A first region is a circular region located at the centermost position. A first refractive power is uniformly added to the first region regardless of the distance from an axis of a lens part. A second region is a ring-like region located outside and adjacent to the first region. In the second region, a refractive power is increased or decreased from the first refractive power as the distance from the axis becomes larger. An outer region is a ring-like region located outside the second region. A reference refractive power for focusing on a far point is added to the outer region. An MTF curve at spatial frequency of 50 lp/mm relating to light passing through a region having a radius of 1.5 mm around the axis has one maximal value and no minimal value in a range of a defocusing value of −0.5 D to 0.5 D.
An ophthalmic image processing apparatus includes a processor. The processor acquires a first image as a color fundus image, and corrects a pixel value of at least any color component in the first image, based on color gamut information for specifying a predetermined color gamut to be applied to a color fundus image, to generate a color gamut-corrected image.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
G06T 5/40 - Image enhancement or restoration using histogram techniques
G06T 7/90 - Determination of colour characteristics
60.
OCT APPARATUS AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM
An OCT apparatus processes an OCT signal based on reference light and measurement light with which a subject eye is irradiated to capture a tomographic image of a tissue of the subject eye. The OCT apparatus includes a controller. The controller captures a three-dimensional tomographic image of the tissue by irradiating a two-dimensional measurement region, which expands in a direction intersecting an optical axis of the measurement light, with the measurement light. The controller extracts a two-dimensional tomographic image from the three-dimensional tomographic image to display the two-dimensional tomographic image on a display unit. The controller sets an additional imaging position of a tomographic image in a state where the two-dimensional tomographic image is displayed on the display unit. The controller performs additional capturing of a tomographic image by irradiating the set additional imaging position with the measurement light.
A controller of a medical image processing device acquires a medical image of a subject. The controller causes a display to display a pre-modification image in which at least the position or range of a lesion to be modified on the medical image is displayed. The controller receives an instruction to designate at least the position or range of the lesion to be modified in a state in which the pre-modification image is displayed on the display. When at least the position or range of the lesion is designated, the controller acquires a predicted disease image in which the lesion is modified according to the designated information on the basis of the medical image. The controller causes the display to display the predicted disease image and the pre-modification image simultaneously or in a switching manner.
G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
An OCT device includes an OCT optical system and a controller that also serves as an image processor. The controller acquires the OCT data of the fundus by processing the spectral interference signal output from the OCT optical system. In addition, the controller adjusts the position of the high accuracy region, which is the depth region where relatively high accuracy OCT data is obtained, by controlling the OCT optical system in accordance with the curvature level of the fundus image in the photographing range of the OCT data. This makes it possible to acquire good OCT data regardless of the curvature level of the fundus.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/14 - Arrangements specially adapted for eye photography
An OCT device that selectively captures OCT data of a fundus of a subject eye and OCT data of an anterior segment of the subject eye. The OCT device includes a spectroscopic optical system that spectroscopically detects interference light between reference light and reflection light of measurement light irradiated on the subject eye. The spectroscopic optical system includes a collimating system that collimates the interference light, a spectrally dispersive element that spectrally disperses the collimated interference light for each spectral wavelength, an image formation system that forms an image of the interference light for each spectral wavelength on an imaging surface, and a light receiving element disposed on the imaging surface. An object-side focal length of the collimating system is shorter than an image-side focal length of the image formation system.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
G01B 9/02091 - Tomographic interferometers, e.g. based on optical coherence
An OCT apparatus has a wavelength sweep light source changing a sweep frequency between a first sweep frequency and a second sweep frequency, an OCT optical system, an image processor, an FPN generation optical system generating a first FPN and a second FPN generated at a position separated from a zero delay position with respect to the first FPN, a detector, and a controller. The controller acquires first correction information based on the first FPN detected in a case of the first sweep frequency, and second correction information based on the second FPN detected in a case of the second sweep frequency. The controller applies the first correction information to an arithmetic process on a spectral interference signal obtained in the case of the first sweep frequency, and the second correction information to the arithmetic process on the spectral interference signal obtained in the case of the second sweep frequency.
This invention stores necessary OCT data and reduces unnecessary OCT data. The OCT device includes: an OCT optical system that captures an image of a subject eye in accordance with a measurement action; a data obtaining section that obtains OCT data; a subject data determining section that determines non-reduction-subject data or reducing process section; a reducing process section that reduces a data amount of the reduction subject data or delete the reduction subject data; and a storage executing section that stores the non-reduction-subject data and after-reduction data in a storage section.
A processor of an ophthalmologic image processing device acquires a plurality of B scan OCT data of a tissue of a subject eye, in which the plurality of B scan OCT data is captured at different scan positions, collectively sets an extraction region in the plurality of B scan OCT data to include an image of the subject eye in each of the plurality of B scan OCT data, and displays, on a predetermined display region, a plurality of extracted OCT data extracted from the respective B scan OCT data. Each of the plurality of extracted OCT data is switched to be alternatively displayed.
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
NIDEK CO., LTD. (Japan)
Inventor
Saito, Michiyuki
Noda, Kousuke
Fukutsu, Kanae
Ishida, Susumu
Shiba, Ryosuke
Kumagai, Yoshiki
Abstract
A processor of a fundus image processing device acquires a fundus image 50 photographed by a fundus image photographing device. The processor acquires blood vessel images 60A and 60B that indicate at least one of an arteriole and a venule in the fundus image 50 by inputting the fundus image 50 into a mathematical model trained by a machine learning algorithm. The processor acquires a blood vessel area that is an area of at least one of the arteriole and the venule in the whole of the blood vessel images 60A and 60B.
A control section of an ophthalmologic image processing apparatus acquires an ophthalmologic image captured by an ophthalmologic image capturing apparatus. The control section acquires, for the acquired ophthalmologic image, evaluation information indicating an appropriateness for acquiring medical data including at least any of an analysis result relating to a disease of a subject eye, an analysis result relating to the structure of the subject eye, and an image converted from the acquired ophthalmologic image. The control section acquires the medical data based on the acquired ophthalmologic image. The control section changes a medical data acquisition method according to whether or not the evaluation information on the ophthalmologic image satisfies a criterion.
A grinding water treatment device for eyeglasses lens processing includes a centrifugal separator, a scraping unit, an opening, and a filter. The centrifugal separator includes a dehydration tank into which grinding water used in a processing device of an eyeglasses lens is introduced, and separates the grinding water into water and processing chips by rotation of the dehydration tank. The scraping unit scrapes out the processing chips accumulated on a side wall inside the dehydration tank. The opening is provided in the dehydration tank and through which the processing chips scraped out by the scraping unit are ejected to an outside of the dehydration tank. The filter is provided in an outer region of the opening, and through which the water separated from the grinding water by rotation of the dehydration tank passes to allow the processing chips to be present inside the dehydration tank.
C02F 1/38 - Treatment of water, waste water, or sewage by centrifugal separation
C02F 1/00 - Treatment of water, waste water, or sewage
C02F 103/12 - Nature of the water, waste water, sewage or sludge to be treated from the silicate or ceramic industries, e.g. waste waters from cement or glass factories
70.
Method of and apparatus for creating an all-in-focus image of a portion of an iridocorneal angle of an eye
The method is used for creating an all-in-focus image of a portion of an iridocorneal angle of an eye starting from a plurality of images (610), these images being shallow field-depth images of that portion taken with different focus planes but with a same image frame; the method comprises the steps of: A) pre-processing (620) said plurality of images so to obtain a plurality of single-channel images if the images of said plurality are color images, B) calculating (630) an initial focus map starting from said plurality of single-channel images, C) creating (640) an initial estimated all-in-focus image starting from said initial focus map and said plurality of single-channel images, D) calculating (650) an initial edge map starting from said initial focus map and said plurality of single-channel images, E) iterating (660) a regularization process until a stop regularization condition is met, wherein the regularization process comprises removing one or more edge points of the initial edge map by considering a reference model of an iridocorneal angle of an eye, F) creating (670) said all-in-focus image starting from said plurality of images and a focus map last calculated in step E; the reference model expresses at least one geometrical parameter of a surface of an iridocorneal angle of an eye.
A dye-deposited base body manufacturing apparatus manufactures a dye-deposited base body. The dye-deposited base body is used in a dyeing step of dyeing a resin body. A dye to be transferred to the resin body is deposited to a base body. The dye-deposited base body manufacturing apparatus is provided with a printing device, a conveyance device, and a base body movement device. The printing device prints a dye for dyeing the resin body on the base body. The conveyance device conveys a dyeing tray on which the dye-deposited resin body on which the dye is printed by the printing device is placed. The base body movement device moves the dye-deposited base body from a printing position by the printing device to a side of the conveyance device.
B41M 5/03 - Duplicating or marking methodsSheet materials for use therein by transferring ink from the master sheet by pressure
B29D 11/00 - Producing optical elements, e.g. lenses or prisms
B41M 5/035 - Duplicating or marking methodsSheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of design
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 13/00 - Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets
72.
Ophthalmic image processing device and ophthalmic image processing method
An ophthalmic image processing device processes an ophthalmic image of a subject eye. The ophthalmic image processing device includes a controller which acquires an ophthalmic image including a tomographic image of a plurality of tomographic planes in a subject eye, acquires a probability distribution for identifying two or more tissues included in a plurality of tissues in the tomographic image, by inputting the ophthalmic image into a mathematical model trained with using a machine learning algorithm, generates a structural abnormality degree map showing a two-dimensional distribution of a degree of abnormality of a structure in the tissue, for each of the two or more tissues, based on the probability distribution, and simultaneously displays two or more structural abnormality degree maps generated for each of the two or more tissues side by side on a display device.
An ophthalmic apparatus that examines an examinee's eye while an examination axis coincides with the examinee's eye, the ophthalmic apparatus including: a housing: an examination-purpose protrusion protruding along the examination axis toward the examinee's eye from an examinee's eye facing surface being a surface of the housing that faces the examinee's eye; an anterior segment imaging optical system configured to capture an image of the anterior segment of the examinee's eye; and a processor, wherein the processor executes: an anterior segment image acquisition step of acquiring the anterior segment image captured by the anterior segment imaging optical system; and a pupil position detection step of processing the acquired anterior segment image and detecting the position of the pupil of the examinee's eye while the influence of the shadow of the examination-purpose protrusion that appears in the anterior segment image is removed.
A fundus observation apparatus that is capable of assisting an examiner in judging the presence or absence of abnormality in an examinee's eye based on a fundus tomographic image. The fundus observation apparatus includes an optical coherence tomography device that has an optical scanner for setting an image pickup position on a fundus of an examinee's eye, and is arranged to obtain a tomographic image of the fundus, and an information display unit that is arranged to display on a monitor the tomographic image obtained by the optical coherence tomography device and assisting information for assisting an examiner in performing judgment on the tomographic image, and the information display unit is arranged to change the assisting information based on image pickup information on the tomographic image.
A fundus observation apparatus that is capable of assisting an examiner in judging the presence or absence of abnormality in an examinee's eye based on a fundus tomographic image. The fundus observation apparatus includes an optical coherence tomography device that has an optical scanner for setting an image pickup position on a fundus of an examinee's eye, and is arranged to obtain a tomographic image of the fundus, and an information display unit that is arranged to display on a monitor the tomographic image obtained by the optical coherence tomography device and assisting information for assisting an examiner in performing judgment on the tomographic image, and the information display unit is arranged to change the assisting information based on image pickup information on the tomographic image.
A subjective optometry system includes a plurality of subjective optometry devices and a database which stores at least any data of objective measurement data and previous glass data in association with each identifier. Each of the subjective optometry devices includes a calibration optical system, an information processor, and a reader which is connected to the information processor, reads an identifier prepared for each examinee, and outputs information about the read identifier to the information processor. The information processor acquires at least one of the objective measurement data and the previous glass data corresponding to the identifier from the database based on the identifier received from the reader, and sets an initial value of the calibration optical system used on an occasion of subjectively measuring optical characteristics of a subject eye based on at least one of the objective measurement data and the previous glass data.
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
77.
Non-transitory computer-readable storage medium and subjective optometry system
A first information processing device acquires an instruction signal for instructing an operation of a subjective optometry device, and transmits a drive signal for causing the subjective optometry device to operate as instructed by the acquired instruction signal to the subjective optometry device. When the first information processing device is remote-accessed by a second information processing device, the first information processing device can acquire the instruction signal input to the second information processing device by a user via a network. The first information processing device can further acquire a response input by an examinee who visually recognizes a presented target, and can further generate an instruction signal instructing the operation of the subjective optometry device based on the acquired response.
A fundus imaging apparatus includes an OCT optical system for acquiring OCT data based on measurement light irradiated on a fundus of a subject eye and reference light, and a front imaging optical system for capturing a front image of the fundus of the subject eye by scanning light on the fundus. The scanning light scanned on the fundus of the subject eye in the front imaging optical system has a wavelength, which is longer than λ=850 nm, in a wavelength region in which a scanning light is unlikely to be visible for the subject eye.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
An ultrasonic tonometer, which measures an intraocular pressure of a subject eye using an ultrasonic wave, has an ultrasonic actuator including an ultrasonic element that generates an ultrasonic wave and a sonotrode that propagates the ultrasonic wave generated from the ultrasonic element, and irradiating the subject eye with the ultrasonic wave. The sonotrode includes an uneven portion in which a thickness of the sonotrode varies in a sound axis direction of the ultrasonic wave.
A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
80.
Ophthalmologic information analysis apparatus and ophthalmologic information analysis program
There are provided an ophthalmologic information analysis apparatus and an ophthalmologic information analysis program capable of efficiently performing follow-up observation of a subject eye. There is provided: a central processing unit configured to: acquire first analysis data obtained by analyzing an analysis region of the subject eye in first OCT data including the analysis region; acquire second OCT data captured on a day different from that of the first OCT data; perform an analysis comprising: specifying the analysis region corresponding to the first analysis data from the second OCT data; and acquiring second analysis data obtained by analyzing the analysis region in the second OCT data; and control a display to display the first analysis data and the second analysis data in a comparable manner.
An ophthalmic apparatus includes a first optical system for acquiring information regarding an eye refractive power of a subject eye based on reflection light of measurement light reflected from a fundus of the subject eye, a second optical system for acquiring anterior segment information regarding a shape of an anterior segment of the subject eye, and a calculation controller that acquires an axial length of the subject eye based on an on-surface eye refractive power, which is the eye refractive power on a cross section on which an optical axis of the first optical system is arranged and the anterior segment information regarding the cross section.
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
A61B 3/107 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining the shape or measuring the curvature of the cornea
A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/18 - Arrangement of plural eye-testing or -examining apparatus
82.
Ophthalmologic image processing device and non-transitory computer-readable storage medium storing computer-readable instructions
A processor of an ophthalmologic image processing device acquires intermediate information from which an influence of a position shift with respect to a first direction at each position in a second direction is excluded, for each of a first ophthalmologic image and a second ophthalmologic image (S4). The processor performs alignment with respect to the second direction between the first ophthalmologic image and the second ophthalmologic image, based on the intermediate information (S5, S6). The processor performs alignment with respect to the first direction between pixels at the same position with respect to the second direction in the first ophthalmologic image and the second ophthalmologic image for which the alignment with respect to the second direction has been performed (S7).
In this invention, a control unit in an ophthalmic image processing device acquires an ophthalmic image captured by an ophthalmic image capture device (S11). The control unit, by inputting the ophthalmic image into a mathematical model that has been trained by a machine-learning algorithm, acquires a probability distribution in which the random variables are the coordinates at which a specific site and/or a specific boundary of a tissue is present within a region of the ophthalmic image (S14). On the basis of the acquired probability distribution, the control unit detects the specific boundary and/or the specific site (S16, S24).
An ultrasonic tonometer for measuring the eye pressure of an examinee's eye by means of an ultrasonic wave includes an ultrasonic actuator having an ultrasonic element and configured to irradiate the examinee's eye with the ultrasonic wave, and current adjustment means configured to adjust a current applied to the ultrasonic element to control the sound pressure or acoustic radiation pressure of the ultrasonic wave. With this configuration, the ultrasonic tonometer solving at least one of typical problems can be provided. For example, the ultrasonic tonometer capable of properly irradiating the examinee's eye with the ultrasonic wave can be provided.
A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
An ophthalmic apparatus for examining an examinee's eye, comprising a face support member to support an examinee's face, a human detection member to detect whether or not the face is supported by the face support member, a notification member to give an announcement to an examinee or an examiner, and a control member to control the notification member based on a detection result of the human detection member.
There is provided an ophthalmologic measurement apparatus for measuring a subject eye. The apparatus includes measurement means for objectively measuring eye refractive power of the subject eye, acquisition means for acquiring intraocular lens information relating to an intraocular lens inserted into the subject eye, and correction means for correcting a measurement result of the eye refractive power, based on the intraocular lens information.
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/107 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining the shape or measuring the curvature of the cornea
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
87.
Systems and methods for performing automated subjective refraction
A method of performing an optometric examination of a patient includes positioning the patient behind a phoropter; presenting visual stimuli to the patient using a computer-controlled device; recording the patient's response to the stimuli; automatically adjusting the settings of the phoropter to improve one or more characteristics of the patient's vision; and automatically determining the prescription for the refractive error correction for the patient.
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
A61B 3/02 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
88.
Method for ophthalmic examination and remote examination program
Provided is a method for an ophthalmic examination by an ophthalmic examination system including an ophthalmic examination apparatus and an examiner-side apparatus that is connected to the ophthalmic examination apparatus by a network and is provided with an interface for input/output, the method including: a transmission step of transmitting an error signal from the ophthalmic examination apparatus to the examiner-side apparatus upon occurrence of an error in the ophthalmic examination apparatus; a selection step of, upon the examiner-side apparatus receiving the error signal, notifying an examiner of the occurrence of the error via the interface and also accepting selection input for selecting any of a plurality of predetermined handling methods of the error; a response step of the examiner-side apparatus transmitting a response signal to the ophthalmic examination apparatus on the basis of the selection input; and a notification step of, upon the ophthalmic examination apparatus receiving the response signal, notifying the examinee of guidance information on the action against the error on the basis of the response signal via an output device.
An eyeglass lens peripheral edge processing system includes a plurality of eyeglass manufacturing devices and a robot arm. The plurality of eyeglass manufacturing devices 1 perform mutually different steps out of a plurality of steps for processing the eyeglass lens, and include mutually different housings. The robot arm includes an arm unit and a holding unit. The arm unit has a plurality of joint portions. The holding unit is disposed in the arm unit to hold and release an object. The robot arm rotates the arm unit via the joint portion to move the object held by the holding unit. The robot arm rotates the arm unit to move the eyeglass lens between the plurality of eyeglass manufacturing devices.
B24B 9/14 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
An eyeglass frame shape measurement device includes an optical measurement unit, a probe unit, a holding unit that holds the optical measurement unit and the probe unit, a changing portion that integrally moves the optical measurement unit and the probe unit with respect to an eyeglass frame to change a measurement position with respect to a groove of a rim of the eyeglass frame, and a controller that controls an operation of the eyeglass frame shape measurement device. The controller controls an operation of the changing portion to measure the groove of the rim of the eyeglass frame, acquires a cross-sectional shape of the groove of the rim of the eyeglass frame based on a detection result detected by the optical measurement unit, and acquires a shape of the rim of the eyeglass frame based on a detection result detected by the probe unit.
An ophthalmologic imaging apparatus having an OCT optical system for acquiring OCT data of a tissue of a subject eye based on a spectral interference signal of measurement light emitted to the tissue and reference light. The apparatus further has a second optical system for acquiring a front image of the tissue; an optical element having asymmetry and arranged on a common optical path of the OCT optical system and the second optical system; and an arithmetic controller that associates an OCT data acquisition position with coordinates of the front image while taking at least a difference in distortion caused by the optical element between the OCT optical system and the second optical system into consideration.
Provided are ophthalmologic image processing method, including an acquisition step of acquiring OCT data of an eye to be examined based on a spectral interference signal output from an OCT optical system, a setting step of setting a depth region including an image position of a tissue as an extraction region for data on one-direction side from a zero delay position in the OCT data, and a display control step of extracting extracted OCT data corresponding to the extraction region from the OCT data and displaying the extracted OCT data in a display region set in advance on a monitor, and an OCT apparatus that executes the method.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
93.
Ophthalmic apparatus, and recording medium storing ophthalmic apparatus controlling program
Provided is an ophthalmic apparatus for examining an examinee's eye, including: an examination device configured to examine the examinee's eye; an approacher in the examination device, configured to approach the examinee; a detector configured to detect approach of the approacher to the examinee; and a controller configured to switch an operation mode between a first mode where an avoidance operation for avoiding the approach is performed and a second mode where the avoidance operation is not performed, upon the detector detecting the approach.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/15 - Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection
A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
94.
Ophthalmological image observation method and ophthalmological image observation apparatus
A computer displays a part or the entirety of a first image, which is one of the plurality of registered images, in a first display region on a monitor, receives a switching instruction to switch an image displayed in the first display region, in a state where the first image is displayed in the first display region, from the first image to a second image which is one of the plurality of registered images and is different from the first image, and displays a part or the entirety of the second image adjusted based on the displacement information to match a region on the subject eye indicated in the first display region with the first image, in the first display region based on the switching instruction.
A non-contact ultrasonic tonometer for measuring the eye pressure of an examinee's eye by use of ultrasound includes a Langevin transducer. The Langevin transducer applies ultrasound to the examinee's eye to measure the eye pressure of the examinee's eye. Further, A non-contact ultrasonic tonometer for measuring the eye pressure of an examinee's eye by use of ultrasound includes: ultrasonic generating means for generating ultrasound; a support base supporting the ultrasonic generating means; and attaching means for attaching the ultrasonic generating means to the support base.
A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A dyeing system includes a conveyance device, a reader, a dye fixing device, and a controller. The conveyance device conveys a conveyance unit including the resin body. The reader reads information relating to the conveyance unit. The dye fixing device heats the resin body in the conveyance unit conveyed by the conveyance device and fixes a dye adhering to a surface of the resin body, on the resin body. The controller acquires a parameter for a process executed to the resin body in the conveyance unit, based on the information read by the reader. The controller controls the dye fixing device based on the acquired parameter.
D06P 5/20 - Physical treatments affecting dyeing, e.g. ultrasonic or electric
B05C 9/14 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating
B05C 11/10 - Storage, supply or control of liquid or other fluent materialRecovery of excess liquid or other fluent material
B05C 13/02 - Means for manipulating or holding work, e.g. for separate articles for particular articles
C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating
D06P 3/00 - Special processes of dyeing or printing textiles or dyeing leather, furs or solid macromolecular substances in any form, classified according to the material treated
G02C 7/10 - Filters, e.g. for facilitating adaptation of the eyes to the darkSunglasses
An ophthalmological image processing apparatus acquires a plurality of images of a subject eye photographed in a scanning-type imaging optical system, sets any one of the plurality of images as a template, sets corresponding points or corresponding regions between an image of the subject eye and the template at a plurality of positions of each of the image of the subject eye and the template, calculates a movement amount of each of the corresponding points or each of the corresponding regions, and corrects a distortion of the image of the subject eye with respect to the template based on the movement amount of each of the corresponding points or each of the corresponding regions.
G06T 7/246 - Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/14 - Arrangements specially adapted for eye photography
A method of producing a photochromic resin body includes a first step, a second step and a third step. In the first step, a sublimable photochromic dye having sublimability is applied to a base body so as to obtain a function-adding base body. In the second step, the function-adding base body obtained in the first step is set to face a resin body, the function-adding base body is heated to sublimate the sublimable photochromic dye applied to the function-adding base body, and the sublimable photochromic dye is deposited on the resin body. In the third step, the resin body on which the sublimable photochromic dye is deposited in the second step is heated to fix the sublimable photochromic dye on the resin body.
B29D 11/00 - Producing optical elements, e.g. lenses or prisms
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
C09K 9/00 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
A target image to be corrected is generated by arranging partial images acquired by scanning a tissue of a living body with light and temporally continuously receiving the light from the tissue. A processor of a medical image processing device performs detecting position shift amounts, acquiring a component, and correcting. In the process of detecting position shift amounts, the processor detects the position shift amounts between the partial images (S3). In the process of acquiring, the processor acquires an assumed result of at least one of a component in the position shift amount caused by movement of the tissue, and a component in the position shift amount caused by a shape of the tissue (S4). In the process of correcting, the processor corrects a position of each of the partial images based on the component in the position shift amount (S7).
A fundus imaging apparatus includes an imaging optical system that irradiates a fundus of a subject eye with light through an objective lens system, and enables to capture a fundus image of the subject eye based on return light from the subject eye, and a diopter correction unit that includes an optical element disposed on an optical path of the imaging optical system and a drive unit driving the optical element, and performs a diopter correction with a diopter value corresponding to a drive amount of the optical element. A drive range of the optical element in the diopter correction unit is set to avoid a specific range being a range in which an artifact caused by reflection light in the objective lens system is maximized.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
