Abstract

The invention relates to a method for compensating a visual defect of a user for a display apparatus (100), wherein the method comprises the following steps: determination of visual defect parameters of the user using an input device (30); calculation of compensation data by a compensation data calculation device (20) for adaptation of predefined image data based on the visual defect parameters; adaptation of the predefined image data as a function of the compensation data by the control device (40); and actuation of a display device (10) of the display apparatus (100) by the control device (40) with the adapted image data.

IPC Classes  ?

• G09G 5/37 - Details of the operation on graphic patterns
• G06F 3/14 - Digital output to display device
• G06V 10/60 - Extraction of image or video features relating to illumination properties, e.g. using a reflectance or lighting model

Goods & Services

Software; downloadable software; computer programs for conducting diagnoses, prognoses and treatment plans in the field of ophthalmology; software for centring and tracking the eyes; software, apparatus and instruments for eye tracking algorithms for correcting misalignments before the start of treatment; software for the purpose of eye cyclotorsion correction between sitting and lying; computer software for use as an application programming interface (api); downloadable software applications, for use in relation to the following goods: medical diagnostic devices. Medical services; medical analysis services for diagnosis, prognosis and therapeutic purposes; medical treatment planning, surgical treatment planning; information, consultancy and advice in relation to all the aforesaid services.

Abstract

The invention relates to a treatment apparatus (10) and to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10). The method incudes capturing (S10) at least one eye picture of an eye (16) by a camera device (28); ascertaining (S12) phenomenological structures (24) of the eye (16) from the eye picture by a computing device (18), wherein the computing device (18) determines the phenomenological structures (24) by an image analysis algorithm; ascertaining (S14) treatment positions (26) in the eye for the treatment with the ophthalmological laser (12) depending on the phenomenological structures (24) by the computing device (18); and providing (S16) control data for the treatment apparatus (10) by the computing device (18), which includes the treatment positions (26) in the eye (16) for the treatment.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to apparatuses and methods for optimizing laser parameters for an ophthalmological laser (12) of a treatment apparatus (10). The method comprises determining (S12) if a treatment quality with the treatment apparatus, which has been performed with first laser parameters (S10), corresponds to a preset treatment quality criterion, wherein the laser parameters include at least a laser pulse energy, a spatial laser pulse distance and a spatial laser pulse path distance; if the treatment quality does not correspond to the treatment quality criterion, providing second laser parameters (S14), in which at least one laser parameter is adapted by a preset value; and wherein the second laser parameters are used for a subsequent treatment with the treatment apparatus (S16).

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to apparatuses and methods for providing control data for an ophthalmological laser (12) of a treatment apparatus (10). The method includes ascertaining (S10) correction data for a planned refraction correction of a visual disorder of a cornea (16) from predetermined examination data, wherein the correction data includes a correction for a sphere value, a cylinder value and an axis value; determining (S12) adapted correction data based on a nomogram and the ascertained correction data, wherein the correction of the sphere value and/or the cylinder value and/or the axis value is adapted to the used treatment apparatus (10) by the nomogram, such that a refraction correction with the adapted correction data corresponds to the planned refraction correction, wherein the nomogram is ascertained by preceding treatment results with identical treatment apparatuses; and providing (S14) the control data, which is based on the adapted correction data.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

Medical apparatus and instruments for use in ophthalmology, namely, laser apparatus for refraction determination, refraction correction and therapeutic treatment for the eyes Creating computer programs for ophthalmological diagnosis and therapy Technical consultancy for opticians and ophthalmologists in the fields of optometry and ophthalmology

Goods & Services

Medical apparatus and instruments for use in ophthalmology, namely, laser apparatus for refraction determination, refraction correction and therapeutic treatment for the eyes Creating computer programs for ophthalmological diagnosis and therapy Technical consultancy for opticians and ophthalmologists in the fields of optometry and ophthalmology

Abstract

The invention relates to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10) for treating a human or animal eye (16), wherein the method comprises the following steps performed by a control device (18): setting an area (14) to be irradiated on or in a cornea of the eye (16) to be treated for performing an irradiation treatment with the laser (12), setting a virtual irradiation mask (50) in a mask plane (40), wherein the area (14) to be irradiated is situated within the virtual irradiation mask (50) in a perpendicular projection onto the mask plane (40), and providing control data for the laser (12) by the control device (18), wherein the control data includes coordinates of the area (14) to be irradiated such that the laser (12) emits laser pulses to the area (14) to be irradiated during the treatment.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method for providing control data for an ophthalmological laser of a treatment apparatus for treating a cornea, which has been treated with a cross-linking method. The method includes setting conventional laser parameters for removing a predetermined correction volume from the cornea, wherein the laser parameters include at least a laser pulse energy and a number of laser pulses of the laser; providing laser parameters increased in power in areas of the correction volume, in which a cornea changed by the cross-linking method is expected, wherein the laser parameters increased in power have a higher laser pulse energy and/or a higher number of laser pulses compared to the conventional laser parameters; and providing the control data, which includes the laser parameters increased in power in the areas of the correction volume with changed cornea and the conventional laser parameters in the remaining areas of the correction volume.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10). By a control device (18), determining (S10) corneal parameters of an anterior surface (24) of a cornea (16) from predetermined examination data; determining (S12) an epithelial map of an epithelial layer (26) of the cornea (16) from the predetermined examination data, wherein a thickness of the epithelial layer (26) is provided in the epithelial map; calculating (S14) a stromal wavefront map depending on the determined corneal parameters of the anterior surface (24) of the cornea and the determined epithelial map; determining (S16) correction data for correcting a visual disorder based on the stromal wavefront map; and providing (S18) the control data, which includes the correction data determined based on the stromal wavefront map are effected.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

Method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10) for treating a cornea (16) of a human and/or animal eye. As steps, the method performed by a control device (18) comprises determining (S10) eye parameters from predetermined examination data; determining (S12) initial correction parameters for treating the cornea (16) depending on the eye parameters; determining (S14) treatment result data by a database (24), which includes predetermined treatment results of preceding corneal treatments, wherein the treatment result data is retrieved from treatments with comparable eye parameters and initial correction parameters; determining (S16) by the retrieved treatment result data if aberrations have been generated by the treatment in these corneal treatments; adapting (S18) the initial correction parameters for treating the cornea (16) depending on the aberrations ascertained from the treatment result data; and providing (S20) the control data, which includes the adapted correction parameters.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
• G16H 40/63 - 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 local operation

Abstract

The invention relates to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10) for treating a cornea (16) of an eye. Hereto, a control device (18) of the treatment apparatus (10) may ascertain (S10) eye parameters from predetermined examination data; determine (S12) a respective diameter for respective optical zones (OZ) depending on the ascertained eye parameters, wherein a diameter for treating the cornea (16) is selected from the ascertained diameters of the optical zones (OZ); and provide (S14) control data, which includes the selected diameter of the optical zone (OZ).

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

Method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10) for hyperopia correction of a cornea (16). As steps, the method includes ascertaining (S10) corneal data of the cornea (16) from predetermined examination data; determining (S12) correction parameters of the hyperopia correction and corneal parameters of a virtual cornea, which is assumed for the cornea (16) after treatment with the hyperopia correction, depending on the ascertained corneal data; determining (S14), if a preset limiting criterion is present for at least one correction parameter of the hyperopia correction and/or at least one corneal parameter of the virtual cornea, wherein exceeding at least one parameter limit in the hyperopia correction is examined by the limiting criterion; limiting (S16) at least one preset correction parameter of the hyperopia correction by a limit value if the limiting criterion is present; and providing (S18) the control data, which includes the hyperopia correction with the limited correction parameter.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

Software; downloadable software; computer programs for conducting diagnoses, prognoses and treatment plans in the field of ophthalmology; software for creating a virtual model of the cornea [digital twins] in the context of refractive surgical laser treatment; computer software for use as an application programming interface (api); downloadable software applications, for use in relation to the following goods: medical diagnostic devices. Medical services; medical analysis services for diagnosis, prognosis and therapeutic purposes; medical treatment planning, surgical treatment planning; information, consultancy and advice in relation to all the aforesaid services.

Abstract

The invention relates to a treatment apparatus (10) and to a method for determining an eye orientation of an eye (16). The treatment apparatus (10) includes at least one ophthalmological laser (12) for irradiating the eye (16) by laser radiation (20); a capturing device (24) with at least one camera (26), wherein the capturing device (24) is formed to capture eye recording data by the at least one camera (26); and a computing device (18), which is formed to ascertain an eye orientation from the eye recording data, wherein the eye orientation includes a distance (3D), a vertical displacement (1D) and a horizontal displacement (2D) of the eye (16) in relation to a preset reference point of the ophthalmological laser (12) as well as a cyclotorsion (6D), a vertical rotation (4D) and a horizontal rotation (5D) of the eye (16), wherein the computing device (18) is further formed to generate control data for controlling the treatment apparatus (10) depending on the ascertained eye orientation.

IPC Classes  ?

• G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

Software; downloadable software; computer programs for conducting diagnoses, prognoses and treatment plans in the field of ophthalmology; software for centring and tracking the eyes; software, apparatus and instruments for eye tracking algorithms for correcting misalignments before the start of treatment; software for the purpose of eye cyclotorsion correction between sitting and lying; computer software for use as an application programming interface (api); downloadable software applications, for use in relation to the following goods: medical diagnostic devices. Medical services; medical analysis services for diagnosis, prognosis and therapeutic purposes; medical treatment planning, surgical treatment planning; information, consultancy and advice in relation to all the aforesaid services.

Goods & Services

Software; downloadable software; computer programs for conducting diagnoses, prognoses and treatment plans in the field of ophthalmology; software for creating a virtual model of the cornea [digital twins] in the context of refractive surgical laser treatment; computer software for use as an application programming interface (api); downloadable software applications, for use in relation to the following goods: medical diagnostic devices. Medical services; medical analysis services for diagnosis, prognosis and therapeutic purposes; medical treatment planning, surgical treatment planning; information, consultancy and advice in relation to all the aforesaid services.

Abstract

The invention relates to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10) for correcting an astigmatism, comprising as steps determining (S10) first astigmatism values from predetermined visual disorder data of a patient, wherein the visual disorder data provides a measured refraction of a patient; determining (S12) second astigmatism values from predetermined measurement data of a cornea (16) of the patient, wherein the measurement data provides a morphology of the cornea (16); ascertaining (S14) astigmatism correction data for the astigmatism correction of the cornea (16), wherein the first and second astigmatism values are combined by a combination rule for ascertaining the astigmatism correction data; and providing (S16) the control data for the ophthalmological laser (12), which includes the ascertained astigmatism correction data.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method for providing control data for a laser of a processing apparatus, wherein the method includes the following steps performed by at least one control device: outputting control data to a processing apparatus, wherein the control data effect that laser pulses are sequentially output onto positions of impingement into a processing area to be processed along an incision path by the laser of the processing apparatus. The method further includes following steps: ascertaining an effective diameter of a local effective area generated by the respective laser pulse, in the respective position of impingement, ascertaining a unit area to be formed by a pulse distance and a row distance depending on the effective diameter and an energy dose to be provided in the processing area, ascertaining the pulse distance and row distance according to a preset ascertaining method, generating the control data for controlling the processing apparatus.

IPC Classes  ?

• G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme

Abstract

The invention relates to a processing apparatus (1) for processing an object (9) by means of laser pulses (3), which at least comprises: at least one laser beam source (2) configured for the emission of laser pulses (3), at least one beam exit device (4), which is configured to guide the respective laser pulses (3) with a predetermined laser pulse cross-sectional profile according to a pulse distribution profile (11) in a processing area (7) of a preset processing volume (8) of an object (9) to be processed, and a control device (10), which is configured to ascertain the pulse distribution profile (11) in the processing area (7) according to a predetermined pulse distribution ascertaining method for the preset processing volume (8) and the predetermined laser pulse cross-sectional profile. It is provided that the control device (10) is configured to transform the preset processing volume (8) into a deconvoluted processing volume (15) according to a predetermined deconvolution operation (F2) with the laser pulse cross-sectional profile as a point spread function of the deconvolution operation (F2), and to transform the deconvoluted processing volume (8) into the pulse distribution profile (11) by means of a predetermined conversion function (F5), in the predetermined pulse distribution ascertaining method.

IPC Classes  ?

• B23K 26/0622 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
• B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
• B23K 26/073 - Shaping the laser spot

Abstract

A method for providing control data for an ophthalmological laser of a treatment apparatus for avoiding an opaque bubble layer in a cornea is provided. There is effected determining a treatment area in the cornea by predetermined examination data, wherein first irradiation parameters for providing an optical breakdown are set; determining an initial irradiation area in or adjoining to the treatment area, in which it is begun with an irradiation of the cornea, wherein second irradiation parameters for the optical breakdown are set for the initial irradiation area, by which a reduced power density is generated; wherein a positioning of at least a first laser pulse path is set adjoining to the initial irradiation area for a subsequent irradiation of the treatment area. Finally, providing the control data for the ophthalmological laser, which includes the treatment area and the initial irradiation area with the respective irradiation parameters, is affected.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 17/00 - Surgical instruments, devices or methods
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body

Abstract

The invention relates to a system and method for providing control data for an ophthalmological laser of a treatment apparatus for correcting a cornea. The method includes ascertaining topographic data of the preoperative cornea from predetermined examination data; calculating wavefront aberration data of the preoperative cornea by the topographic data, wherein a passage of light beams through the cornea, which has the topographic data, is determined by a beam passage model for calculating the wavefront aberration data; ascertaining an aberration-neutral correction profile, by which higher order aberrations of the preoperative cornea are preserved for a postoperative cornea, wherein a predetermined refraction correction is adapted depending on the ascertained wavefront aberration data for ascertaining the aberration-neutral correction profile; and providing the control data for correcting the cornea for the ophthalmological laser, which includes the aberration-neutral correction profile.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
• G16H 40/63 - 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 local operation

Abstract

The invention relates to a control device (18), to a treatment apparatus (10) and to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10). As steps, the method includes ascertaining (S10) an initial correction value for correcting a visual disorder of a cornea (16) from predetermined examination data; ascertaining (S12) epithelial layer parameters from the predetermined examination data and providing an epithelial layer regeneration model, which describes a regeneration of an epithelial layer with the ascertained epithelial layer parameters; determining (S14) an adapted correction value depending on the initial correction value and the epithelial layer regeneration model; and providing (S16) the control data for the ophthalmological laser (12), which includes the adapted correction value.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method for providing control data for an ophthalmological laser of a treatment apparatus is provided. As steps, the method comprises ascertaining a correction profile for correcting a visual disorder of a cornea from predetermined examination data; ascertaining data of a virtual postoperative cornea, which is expected by the correction by means of the correction profile, wherein the data of the virtual postoperative cornea is determined depending on a migration model, in which regrowth of an epithelial layer of the cornea is modeled; ascertaining a correction difference between an originally planned correction with the correction profile and a virtually achieved correction, which is determined from the ascertained data of the virtual postoperative cornea; adapting the correction profile depending on the migration model if the correction difference is above a preset threshold value; and providing the control data for the ophthalmological laser, which includes the adapted correction profile.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method for providing control data for a processing device with at least one laser and with at least one focusing optics is provided. The method comprises the following steps performed by a control device: receiving a specification for processing a material of an object in at least one preset separation point in a respective, preset separation depth of the material; ascertaining a respective focusing depth of a focusing point to be adjusted in the focusing optics of the processing device for separating the material in the respective, at least one preset separation point in the preset separation depth of the material; providing control data, wherein the control data is configured for controlling the focusing optics of the processing device for focusing at least one laser pulse on the at least one focusing point in the focusing depth of the material to be adjusted and for controlling the laser.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
• G16H 40/63 - 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 local operation

Abstract

The invention relates to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10) for avoiding optical aberrations. As the steps, the method includes ascertaining (S10) first aberration values from a predetermined wavefront measurement of an eye, which has a first extension (32), wherein a first refractive power error is determined from the first aberration values; ascertaining (S12) second aberration values from a subset of the predetermined wavefront measurement, which has a second extension (34), wherein the second extension (34) is smaller than the first extension (32), wherein a second refractive power error is determined from the second aberration values; ascertaining (S14) a difference between the first and the second refractive power error; ascertaining (S16) an aberration-corrected refractive power change by subtracting the ascertained difference of refractive power errors from a predetermined subjective refractive power correction, which is predetermined from a glasses correction measurement; and providing (S18) the control data for the ophthalmological laser (12), which includes the aberration-corrected refractive power change.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method for providing control data for an ophthalmological laser of a treatment apparatus is disclosed. The method provides the steps of: ascertaining visual disorder correction data for correcting a cornea of an eye; determining Zernike polynomials from the ascertained visual disorder correction data; ascertaining an offset vector from a pupil center to a further preset reference center of the eye; calculating corrected Zernike polynomials, in which higher order aberrations are calculated by means of an adaptation of the corresponding Zernike polynomials by the offset vector; and providing the control data for the treatment apparatus, wherein the control data is generated by means of the corrected Zernike polynomials.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

Abstract

The techniques presented herein relate to ascertaining a pretherapeutic curvature of the cornea, wherein a respective local angle of the cornea in predetermined treatment positions is ascertained; ascertaining a radiation angle at which a laser beam is radiated to the respective predetermined treatment positions of the cornea with respect to a reference axis of a beam deflection device of the treatment apparatus; and ascertaining a laser pulse efficiency for a particular treatment position of the ascertained predetermined treatment positions based on the ascertained local angle of the cornea in the particular treatment position and the radiation angle for the particular treatment position. The techniques further include adapting at least one irradiation parameter depending on the ascertained laser pulse efficiency for the particular treatment position; and providing the control data, which includes adapted irradiation parameters for the particular treatment position.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A treatment apparatus with at least one ophthalmological laser is disclosed, wherein the treatment apparatus includes at least two focus adjusting devices, which are formed to adjust a focus position of a laser beam of the laser in a depth direction, wherein the first focus adjusting device is formed to adjust the focus point over a first depth distance range with a first speed, and wherein the second focus adjusting device is formed to adjust the focus point over a second depth distance range with a second speed, wherein the first depth distance range is larger than the second depth distance range and the first speed is smaller than the second speed.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 18/20 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser

Abstract

The invention relates to a method for determining an optimized spatial pulse distance of laser pulses for an ophthalmological laser of a treatment apparatus. The method includes determining, by a control device of the treatment apparatus, a laser pulse effect diameter based on a predetermined tissue factor of tissue to be irradiated and a laser pulse energy portion above an optical breakthrough threshold. The method further includes determining the optimized spatial pulse distance based on the determined laser pulse effect diameter and a preset overlap factor for adjacent laser pulses.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 17/00 - Surgical instruments, devices or methods

Abstract

The invention relates to a method for adjusting optimized irradiation parameters of laser pulses (24) for an ophthalmological laser (12) of a treatment apparatus (10), including, as steps, ascertaining (S10) a threshold value for a laser-induced optical breakthrough, wherein the threshold value is preset to a control device (18) of the treatment apparatus (10); providing (S12) an energy window of a laser pulse energy depending on the ascertained threshold value by the control device (18); selecting (S14) a laser pulse energy from the provided energy window; providing (S16) at least one spatial pulse distance range of the laser pulses (24) depending on the selected laser pulse energy by the control device (18), wherein the pulse distance range is determined based on the selected laser pulse energy by means of a pulse distance model; and selecting (S18) at least one spatial laser pulse distance (a, b) from the provided pulse distance range.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for providing control data for an ophthalmological laser of a treatment apparatus for correcting presbyopia, wherein the method includes, as steps, ascertaining first correction data for an eye of a patient for correcting the presbyopia from predetermined visual disorder data; ascertaining second correction data for the other eye of the patient, wherein the second correction data is calculated by means of a calculation operation of the first correction data with a patient-specific parameter; and providing the control data for the ophthalmological laser, which includes the first and second correction data for the respective eyes.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

Goods & Services

Software; Downloadable software; Computer programs for conducting diagnoses, prognoses and treatment plans in the field of ophthalmology; Software for centring and tracking the eyes; Eye tracking algorithms for correcting misalignments before the start of treatment; Software for the purpose of eye cyclotorsion correction between sitting and lying; Computer software for use as an application programming interface (API); Downloadable software applications, for use in relation to the following goods: Medical diagnostic devices. Medical services; medical analysis services for diagnosis, prognosis and therapeutic purposes; Medical treatment planning, Surgical treatment planning; Information, consultancy and advice in relation to all the aforesaid services.

Abstract

The invention relates to a method for providing control data with a centered correction profile for the treatment of a cornea (14). The method includes ascertaining (S10) a correction profile including an optical zone and a transition zone adjoining thereto, based on a first reference center (24) from predetermined visual disorder data; determining (S12) an offset vector for the ascertained correction profile, wherein the optical zone of the correction profile is adjusted to the first reference center (24) and an optical axis of the correction profile is adjusted to a second reference center (26) by the offset vector; wherein the offset vector is composed of three vector portions; wherein the optical zone and the transition zone of the correction profile are commonly shifted by the first vector portion; wherein the optical zone is shifted within the transition zone by the second vector portion; wherein the optical axis is displaced within the optical zone by the third vector portion. Finally, control data is provided (S14), which includes the correction profile adapted by the offset vector.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• G16H 40/63 - 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 local operation

Abstract

The invention relates to a vision simulation device (10) for providing a correction of visual defects and to a method for operating the vision simulation device (10). The vision simulation device (10) includes an eye interface (16), at least one spatially controllable light wave modulator (12) and a control device (14), wherein the at least one spatially controllable light wave modulator (12) is arranged and formed to modulate light waves (20) for generating aberrations and to provide the modulated light waves (22′) at the eye interface (16) of the vision simulation device (10), wherein the control device (14) is formed to drive the spatially controllable light wave modulator (12) for at least partially compensating for at least one predetermined visual defect by generating at least one preset aberration.

IPC Classes  ?

• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,

Abstract

The invention relates to a centering device (12) for determining a centering of a visual axis of an eye (14) to a beam path, wherein the centering device (12) comprises at least two color sources (16, 18), a control device (20) and a capturing device (22), wherein the color sources (16, 18) are arranged in the beam path of the centering device (12), wherein a respective color signal (17, 19) in a visible spectral range can be output by the color sources (16, 18) to an eye interface (26) via the beam path, wherein a wavelength of the respective color signals (17, 19) differs, and wherein the control device (20) is formed to control the capturing device (22) for ascertaining an eye orientation upon presence of a superposition criterion, by which a superposition of the color signals (17, 19) on the visual axis is indicated.

IPC Classes  ?

• G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
• 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
• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for providing control data for an ophthalmological laser (12) of a treatment apparatus (10). As steps, the method includes determining an anterior (14) and a posterior (16) interface in a cornea (17) of a human or animal eye; determining a transition zone, in which the interfaces (14, 16) are connected to each other, wherein transition positions (24) are determined on the anterior interface (14), from which an incision progression of the anterior interface (14) is changed towards the posterior interface (16), and wherein transition positions (26) are determined on the posterior interface (16), at which an incision progression of the posterior interface (16) is changed towards the anterior interface (14), such that the respective incision progressions of the interfaces (14, 16) converge and connect to each other in the transition zone; and providing control data for controlling the ophthalmological laser (12), which includes the interfaces (14, 16) and the incision progression of the transition zone.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for providing deformation-corrected control data for a laser (18) of a treatment apparatus (10). The method includes as steps determining (S10) a planned lenticule diameter and a planned refractive power change as correction parameters for correcting a visual disorder of the eye from predetermined examination data; determining deformation-corrected correction parameters for adapting the planned correction parameters, by which a deformation of the cornea (26) is additionally compensated for; wherein either a deformation-corrected lenticule diameter or a deformation-corrected refractive power change is determined from predetermined deformation data as the first deformation-corrected correction parameter (S12) and the respectively other correction parameter is determined as the second deformation-corrected correction parameter by means of the determined first deformation-corrected correction parameter and depending on a mathematical deformation model (S14); and providing the control data for the treatment apparatus (10), which includes the determined deformation-corrected correction parameters.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

Computer programs for performing diagnoses and therapy for use with eye-lasering apparatus and instruments. Physician services for treatment with eye-lasering apparatus and instruments.

Goods & Services

Software; Downloadable software; Computer programs for conducting diagnoses, prognoses and treatment plans in the field of ophthalmology; Software for creating a virtual model of the cornea [digital twins] in the context of refractive surgical laser treatment; Computer software for use as an application programming interface (API); Downloadable software applications, for use in relation to the following goods: Medical diagnostic devices. Medical services; medical analysis services for diagnosis, prognosis and therapeutic purposes; Medical treatment planning, Surgical treatment planning; Information, consultancy and advice in relation to all the aforesaid services.

Abstract

The invention relates to a method for providing control data for presbyopia reversion for an ophthalmological laser (12) of a treatment apparatus (10). As steps, the method includes determining (S10) presbyopia correction data for presbyopia correction of a cornea (16), wherein an originally uniform visual acuity of the cornea (16) is changed into multifocal areas by application of the presbyopia correction data, wherein the presbyopia correction data is stored in a database (24); retrieving (S12) the stored presbyopia correction data of the cornea (16) from the database (24), if the multifocal areas of the cornea (16) are to be adapted or cancelled at a subsequent point of time; determining (S14) control data for adapting or cancelling the multifocal areas depending on the retrieved presbyopia correction data; and providing (S16) the control data for controlling the ophthalmological laser (12) of the treatment apparatus (10).

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method is disclosed for adapting treatment coordinates for a treatment of an eye with an ophthalmological laser of a treatment apparatus. The treatment apparatus includes a contact element for fixing the eye. The method includes acquiring at least a first image of the eye, before the eye is fixed by the contact element, and determining treatment coordinates of the eye by means of the first image, determining orientation points of the eye and the position thereof in the first image; acquiring a second image of the eye, after the eye has been fixed by the contact element, wherein the position of the respective orientation points is determined in the second image. The method also includes determining a transformation matrix based on the respectively determined positions of related orientation points in the first and the second image, and adapting (S18) the treatment coordinates by the determined transformation matrix.

IPC Classes  ?

• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light
• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for controlling a laser (18) for the separation of a volume body (12) with an anterior interface (16) and with a posterior interface (14): determining a depth relief (48) of the volume body (12) to be generated between the anterior interface (16) and the posterior interface (14); determining a reference point (52) of an axis of symmetry of the determined depth relief (48) or of a respective interface (14, 16) by means of the control device (20); controlling the laser (18) starting from the determined reference point (52) in tracks circle-like at least in certain areas such that it emits pulsed laser pulses in a shot sequence in a predefined pattern into the material, wherein the interfaces are generated by means of an interaction of the individual laser pulses with the cornea (44) by the generation of a plurality of cavitation bubbles (40) along the circle-like tracks. Further, the invention relates to a processing apparatus, to a computer program as well as to a computer-readable medium.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for preparing a material processing apparatus (10) for material processing of an object, wherein a contact element (20) to be fitted onto the object is attached to the material processing apparatus (10), wherein the contact element (20) is transparent to processing laser radiation, comprises a contact surface (22) on its side to be fitted onto the object, and an entry surface (24) on its side facing the material processing apparatus, wherein a shape of the contact surface (22) and/or entry surface (24) is determined by means of radiation of measurement laser radiation (14) before processing the object, in that the measurement laser radiation (14) is focused on the contact surface (22) and/or the entry surface (24) by means of the variable focus adjusting device (18), wherein radiation backscattered or back-reflected from the focus of the measurement laser radiation (14) is confocally detected and thus a position of intersections on the contact surface (22) and/or entry surface (24) is determined, wherein a three-dimensional surface model is adapted to the determined position of the intersections, wherein the 3-dimensional shape of the contact surface (22) and/or entry surface (24) is provided by the surface model.

IPC Classes  ?

• B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head

Abstract

An apparatus and method are disclosed for providing control data for a laser of a treatment apparatus for the correction of a cornea. The method includes determining a look-up table for preset corneal parameters by a corneal deformation model, wherein the cornea can be modeled in deformed and non-deformed states by the corneal deformation model. A value of at least one preset corneal parameter in the non-deformed state of the cornea is varied and an effect of this variation on values of the corneal parameters in the deformed state of the cornea is ascertained for determining the look-up table. The method further includes ascertaining a corneal value to be achieved from predetermined examination data, determining by the look-up table a deformation-corrected corneal value to be achieved for compensating for the deformation of the cornea, and providing control data, which uses the deformation-corrected corneal value for correcting the cornea.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61D 1/00 - Surgical instruments for veterinary use

Abstract

The invention relates to a method for providing control data for a laser (18) of a treatment apparatus (10) for the correction of a cornea (26), including ascertaining (S10) an effect of a deformation of the cornea (26) on preset corneal parameters by means of a corneal deformation model, wherein the cornea (26) can be modeled in a deformed and non-deformed state by the corneal deformation model, wherein values of preset corneal parameters in the non-deformed state of the cornea (26) are varied and the effect of this variation on values of the corneal parameters in the deformed state of the cornea (26) is ascertained for determining the effect of the deformation; determining (S12) the most important corneal parameters for a treatment and/or deformation of the cornea (26) depending on a magnitude of the ascertained effect; adapting (S14) at least one preset fit function as the compensation function of the deformation to the values of the most important corneal parameters; calculating (S16) a deformation-corrected treatment value by means of the compensation function; and providing (S18) the deformation-corrected treatment value for the treatment apparatus (10).

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

Computer programs for performing diagnoses and therapy for use with eye-lasering apparatus and instruments. Physician services for treatment with eye-lasering apparatus and instruments.

Abstract

The invention relates to a treatment apparatus for an eye treatment, at least comprising: at least one laser beam source configured for emission of laser pulses, at least one beam exit device, which is configured to pass the respective laser pulses with a predetermined laser pulse cross-sectional profile to respective impingement positions in a treatment surface of a preset treatment volume of an eye to be treated, a control device, which is configured to ascertain coordinates of the respective impingement positions in the treatment surface according to at least two predetermined coordinate ascertaining methods for the preset treatment volume and the predetermined laser pulse cross-sectional profile. The control device is configured to ascertain respective expectable treatment roughnesses of the treatment volume depending on coordinate ascertaining method, according to a predetermined roughness ascertaining method for the at least two coordinate ascertaining methods, to determine the predetermined coordinate ascertaining method of a smallest expectable treatment roughness depending on coordinate ascertaining method as the coordinate ascertaining method to be adjusted, and to adjust the coordinates of the respective impingement positions according to the coordinate ascertaining method to be adjusted, in the at least one beam exit device.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for controlling a laser (12) of a laser device (10) and/or to a method for performing a surgical procedure comprising at least the steps of: generating laser pulses (40) with a first energy density (42) below a photodisruption regime of a polymer material (26) of a region (16) of an optical element; irradiating a core region (30) with the laser pulses (40), wherein a refractive index of the polymer material (26) changes depending thereon; generating first irradiation lines (34) within the core region (30) and generating a first optical correction (44) in the core region (30); generating laser pulses (40) with a second energy density (46) below a photodisruption regime; irradiating an edge region (36) with the laser pulses (40), wherein the refractive index of the polymer material (26) changes depending thereon; and generating second irradiation lines (38) within the edge region (36) and generating a second optical correction (48) in the edge region (36). Further, the invention relates to a laser device (10), to a computer program as well as to a computer-readable medium.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61F 2/14 - Eye parts, e.g. lenses or corneal implantsArtificial eyes

Abstract

The invention relates to a method for providing control data of a laser device (10) for the non-destructive laser-induced property change of a polymer structure (14). As steps, the method includes ascertaining (S10) a respective irradiation parameter range for preset irradiation parameters of the laser device (10) by means of an irradiation model, wherein a property change model is provided in the irradiation model, in which a caused property change of the polymer structure (14) is modelled depending on the irradiation parameters, wherein a destruction threshold value model is provided in the irradiation model, in which at least one threshold value for a laser-induced optical breakthrough of the polymer structure is modelled depending on the irradiation parameters, and wherein the caused property change from the property change model is optimized while limiting by the threshold value from the destruction threshold value model for ascertaining the irradiation parameter ranges.

IPC Classes  ?

• H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
• C08J 7/12 - Chemical modification
• C08J 3/28 - Treatment by wave energy or particle radiation
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• A61F 9/008 - Methods or devices for eye surgery using laser
• H01S 3/11 - Mode lockingQ-switchingOther giant-pulse techniques, e.g. cavity dumping
• B29C 71/04 - After-treatment of articles without altering their shapeApparatus therefor by wave energy or particle radiation

Abstract

The invention relates to a treatment apparatus (1) for an eye treatment, at least comprising: at least one laser beam source (3) configured for emission of a laser beam (2), at least one beam exit device (9), which is configured to direct the laser beam (2) to an eye (11) to be treated, at least one transfer optics (6), which is configured to feed the laser beam (2) along a respective optical path (21) to the at least one beam exit device (9), and a control device (14), which is configured to retrieve a predetermined eye treatment configuration (15) from a storage device (13), on which multiple eye treatment configurations (12) are stored, to adjust the at least one laser beam source (3) for generating the laser beam (2) of a pulse duration (4) to be adjusted according to the predetermined eye treatment configuration (15) of the eye treatment configurations (12), and to adjust the at least one transfer optics (6) for providing a predetermined numerical aperture (10) of the transfer optics (6) according to the predetermined eye treatment configuration (15).

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method is disclosed for controlling a laser device for a laser-induced refractive index change (URIC) of a polymer structure. The laser device is controlled by a control device such that it emits pulsed laser pulses in a shot sequence in a preset pattern into the polymer structure. The laser pulses are emitted with preset irradiation parameters for refractive index change of the polymer structure, wherein for adjusting an order of magnitude of the refractive index change, a spatial pulse distance of the laser pulses in the polymer structure is adapted and the further irradiation parameters are kept within respective preset irradiation parameter ranges.

IPC Classes  ?

• B29D 11/00 - Producing optical elements, e.g. lenses or prisms
• C08J 7/12 - Chemical modification
• A61F 9/008 - Methods or devices for eye surgery using laser
• H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating

Abstract

The invention relates to a method for controlling a laser (12) of a treatment apparatus (10), comprising the steps of: generating a plurality of laser pulses (34) with a predefined energy below a photodisruption regime of a polymer material (26), irradiating the area (16) with the laser pulses (34), wherein a refractive index of the polymer material (26) changes at the irradiated irradiation point (36) depending thereon, generating a first irradiation line (38) in a first depth plane (40), wherein the first depth plane (40) is formed substantially perpendicularly to an optical axis (20) of the area (16), generating a second irradiation line (42) in a second depth plane (44) different from the first depth plane (40), wherein the first depth plane (40) and the second depth plane (44) overlap at least in certain areas viewed in the direction of the optical axis (20) and the second depth plane (44) is formed substantially perpendicularly to the optical axis (20). Further, the invention relates to a treatment apparatus (10), to a computer program, to a computer-readable medium as well as to a surgical method.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The invention relates to a method for controlling an eye surgical laser (18) for removing a volume body (12) from a cornea (44) with an anterior interface (16) of the cornea (44) and a posterior interface (14) of the cornea (44), comprising the steps of: presetting the posterior actual interface (14); determining a first imaging point (48) of the cornea (44); determining an anterior target interface (46) depending on the posterior actual interface (14) and the first imaging point (48) based on a mathematical model (M); determining a shape of the volume body (12) to be generated by presetting the determined anterior target interface (46); and generating control data for generating the volume body (12) such that the anterior actual interface (16) corresponds to the determined anterior target interface (46) after removing the volume body (12) from the cornea (44). The invention relates to a method for controlling an eye surgical laser (18) for removing a volume body (12) from a cornea (44) with an anterior interface (16) of the cornea (44) and a posterior interface (14) of the cornea (44), comprising the steps of: presetting the posterior actual interface (14); determining a first imaging point (48) of the cornea (44); determining an anterior target interface (46) depending on the posterior actual interface (14) and the first imaging point (48) based on a mathematical model (M); determining a shape of the volume body (12) to be generated by presetting the determined anterior target interface (46); and generating control data for generating the volume body (12) such that the anterior actual interface (16) corresponds to the determined anterior target interface (46) after removing the volume body (12) from the cornea (44). Further, the invention relates to a treatment apparatus (10), to a computer program product as well as to a computer-readable medium.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method is disclosed for controlling an ophthalmological laser of a treatment apparatus for the treatment of a human or animal eye. The method includes controlling the laser by a control device of the treatment apparatus such that the laser emits pulsed laser pulses in a shot sequence in a preset pattern into the eye. The individual laser pulses interact with a tissue of the eye for the treatment of the eye, wherein a space-filling curve is the preset pattern for treating the tissue.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
• A61B 18/20 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
• A61D 1/00 - Surgical instruments for veterinary use

Abstract

A method is disclosed for providing control data for an eye surgical laser of a treatment apparatus for the removal of tissue from a human or animal cornea. The method includes ascertaining a temperature distribution expected in the cornea per laser pulse, and determining, by using a temperature model of the cornea, a laser pulse sequence of a preset laser pulse distribution for removing the tissue. A respective laser pulse position in the cornea is preset by the laser pulse distribution and sequence. A temperature profile of the cornea is calculated by means of cumulated temperature distributions of the laser pulses in the temperature model and a difference profile to a preset limit temperature profile is determined. An order of the laser pulses is ascertained depending on the difference profile for determining the laser pulse sequence, and providing control data for controlling the laser pulse sequence for removing tissue.

IPC Classes  ?

• A61B 34/10 - Computer-aided planning, simulation or modelling of surgical operations
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
• A61D 1/00 - Surgical instruments for veterinary use
• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method is disclosed for determining a position of a target point of a human or animal eye during a medical treatment of the eye to allow an improved target accuracy for triggering a laser pulse to a respective target point. The method includes capturing a respective picture of the eye at a first point of time and a later second point of time, determining movement information with respect to a movement of the eye and/or of the target point based on the respective pictures and determining prediction data. The prediction data including a prediction for a future position and/or orientation of the target point at a later point of time, based on the movement information, wherein the later point of time is temporally spaced from the second point of time by a period of time, the duration of which is derived from a latency of an image evaluation.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• G06T 7/20 - Analysis of motion
• G06T 7/70 - Determining position or orientation of objects or cameras

Abstract

A method for providing control data of an eye surgical laser of a treatment apparatus is disclosed for a treatment on a human or animal eye. The method optimizes a target conflict between low stress for a patient and efficacy of a laser. The method includes, as performed by a control device, determining a patient-specific parameter set, which relates to at least one physiological characteristic of the eye, determining at least one physical parameter for the eye surgical laser depending on the patient-specific parameter set, wherein the physical parameter relates to a physical characteristic of a laser beam of the laser, and providing control data for controlling the eye surgical laser, which includes the physical parameter.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method for controlling an eye surgical laser is disclosed for the separation of a volume body with a predefined posterior interface and a predefined anterior interface. The method includes controlling the laser by means of a control device such that it emits pulsed laser pulses into the cornea. Predefined posterior and anterior interfaces are generated by means of an interaction of the individual laser pulses with the cornea by the generation of cavitation bubbles along a rotation path. A respective interface is divided at least into an inner annulus and an outer annulus, and the cavitation bubbles are generated along the rotation path from an inner boundary of the outer annulus to an outer boundary of the outer annulus. Also disclosed in relation to the method are a computer program, a computer-readable medium and a treatment apparatus.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method is disclosed for controlling an eye surgical laser of a treatment apparatus for the separation of a volume body with a predefined posterior interface and a predefined anterior interface from a human or animal cornea. The method includes controlling the laser with a control device of the treatment apparatus such that it emits pulsed laser pulses in a shot sequence in a predefined pattern into the cornea. The interfaces of the volume body to be separated are defined by the predefined pattern and the interfaces are generated by means of an interaction of the individual laser pulses with the cornea by the generation of a plurality of cavitation bubbles. An arc length of the anterior interface and an arc length of the posterior interface are generated of equal length in all radial directions by at least one indentation in one of the interfaces.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method is disclosed for providing control data for an eye surgical laser of a treatment apparatus for the removal of a tissue. The method includes using a control device for determining a wavefront of a cornea and Zernike polynomials from the wavefront and calculating a respective tissue geometry for each Zernike polynomial. A combination of Zernike polynomials describes a tissue removal geometry. The control device ascertains a subgroup of the Zernike polynomials by an optimization calculation, which uses a preset condition to select Zernike polynomials. The condition is preset by a maximized target corneal geometry and a target imaging correction to be achieved. The target corneal geometry is a difference between a corneal geometry and the tissue removal geometry. An optimized tissue removal geometry is found using the subgroup and control data for controlling the eye surgical laser, which uses the optimized tissue removal geometry for separating the tissue.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

Pharmaceutical and ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus (laser apparatus) for ophthalmological refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; technical consultancy of opticians and ophthalmologists.

Abstract

A method for providing control data for an eye surgical laser of a treatment apparatus for removing tissue is disclosed. The method includes utilizing a control device for determining a corneal geometry and an ocular wavefront of a human or animal eye from predetermined examination data. A corneal wavefront is then determined from the corneal geometry using a physical model, and an internal wavefront is calculated from a difference between the ocular wavefront and the corneal wavefront. A wavefront to be achieved is calculated from a difference of a preset target wavefront and the calculated internal wavefront. A target corneal geometry is determined from the wavefront to be achieved by the physical model, and a tissue geometry to be removed is calculated from a difference of the corneal geometry and the target corneal geometry, and control data for controlling the eye surgical laser is provided.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A method for controlling a surgical laser for the separation of a volume body, with predefined posterior and anterior interfaces, from a human or animal cornea is disclosed. The method including controlling the laser by means of a control device such that it emits pulsed laser pulses in a shot sequence into the cornea. The interfaces are generated by the generation of a plurality of cavitation bubbles generated by photodisruption by means of an interaction of the individual laser pulses with the cornea. A minimum diameter of the volume body orthogonal to an optical axis of the volume body is determined depending on at least one diopter value for the volume body and on a preset thickness of the volume body viewed in a direction of the optical axis. A treatment apparatus, a computer program product and a computer-readable storage medium are also disclosed.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

(1) Pharmaceutical and ophthalmological preparations for the treatment of eye diseases and eye disorders, ophthalmics, contact lens care preparations. (2) Medical apparatus (laser apparatus) for ophthalmological refraction determination and refraction correction for eyes. (1) Creating computer programs for ophthalmological diagnosis and therapy; technical consultancy of opticians and ophthalmologists in the field of eye care and corneal surgery

Goods & Services

Lasers for medical use, namely, for ophthalmological refraction determination and refraction correction for eyes Creating computer programs for ophthalmological diagnosis and therapy; technical consulting in relation to research services relating to opticians and ophthalmologists

Goods & Services

Pharmaceutical and ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus (laser apparatus) for ophthalmological refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; Technical consultancy of opticians and ophthalmologists.

Abstract

Use of a treatment apparatus is disclosed for cut-free transfer of a tissue of a correction area of a human or animal eye from a determined actual state into an ascertained desired state. The treatment apparatus includes a fiber laser device, which includes a fiber oscillator and/or a fiber amplifier. In addition, a method is disclosed for providing control data of a fiber laser device for a correction of the eye tissue as well as to the corresponding apparatuses.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A treatment apparatus, a computer program, and a computer-readable medium for carrying out a method for determining a position of a laser focus of a laser beam of an eye surgical laser of a treatment apparatus by a control device of the treatment apparatus, in which the laser beam of the treatment apparatus is emitted into or onto a human or animal eye and in which at least two Purkinje images of the laser beam on the eye are captured by an optical capturing device of the treatment apparatus, and in which the position of the laser focus in or on the eye is determined by the control device considering the captured Purkinje images and considering an opening angle of the laser beam.

IPC Classes  ?

• A61B 34/20 - Surgical navigation systemsDevices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A beam deflection device for a laser device is disclosed for generating a laser pattern on or in a material by means of a laser beam) of the laser device. The beam deflection device includes at least one reflecting or dispersive beam offset element, which is formed for spatially offsetting the laser beam in relation to an optical axis of a laser generating device of the laser device. The beam deflection device further includes a rotating, dispersive optical element, which is formed for generating a rotation pattern as the laser pattern from the previously offset laser beam. Further, a laser device, a computer program as well as to a computer-readable medium are disclosed.

IPC Classes  ?

• G02B 26/10 - Scanning systems
• A61F 9/008 - Methods or devices for eye surgery using laser
• G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light

Abstract

A method for providing control data of an eye surgical laser is disclosed. A control device ascertains a lenticule geometry of the lenticule to be separated from predetermined visual disorder data of a human or animal eye. The lenticule geometry is defined by means of a refractive power value to be corrected and a lenticule diameter. The control device ascertains a correction value for compensating for a deformation of the lenticule, which is generated by at least one contact element of the treatment apparatus. The control device ascertains a deformation geometry of the lenticule, wherein the deformation geometry is defined by means of the refractive power value and a deformation diameter. The deformation diameter is calculated depending on the lenticule diameter and the correction value, and provides control data for controlling the eye surgical laser, which uses the deformation geometry for the separation of the lenticule.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body

Abstract

The invention relates to a method for providing control data of an eye surgical laser (18). A control device (20) ascertains (S1) a lenticule geometry of a lenticule (12) to be separated from predetermined visual disorder data of a human or animal eye (36), wherein the lenticule geometry is defined by means of a refractive power value to be corrected and a lenticule diameter, ascertains (S2) a correction value for compensating for a deformation of the lenticule (12), which is generated by at least one contact element (28) of the treatment apparatus (10), wherein the correction value is determined by means of at least one preceding measurement of the treatment apparatus (10), ascertains (S3) a deformation geometry of the lenticule (12), wherein a deformation refractive power value is calculated depending on the refractive power value to be corrected and the correction value and a deformation diameter is calculated depending on the lenticule diameter and the correction value, and provides (S4) control data for controlling the eye surgical laser (18), which uses the deformation geometry for the separation of the lenticule (12).

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light

Abstract

Method for controlling an eye surgical laser of a treatment device for the separation of a volume body with a predefined posterior interface and a predefined anterior interface from a human or animal cornea. The method includes controlling the laser by means of a control device of the treatment device such that it emits pulsed laser pulses in a shot sequence in a predefined pattern into the cornea. The interfaces of the volume body are defined by the predefined pattern and are generated by means of an interaction of the individual laser pulses with the cornea by the generation of a plurality of cavitation bubbles by photodisruption along at least one cavitation bubble path. At least a partial area of an outer cavitation bubble path of the volume body is generated with a higher cavitation bubble density than an inner cavitation bubble path.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61D 1/00 - Surgical instruments for veterinary use
• A61B 17/00 - Surgical instruments, devices or methods
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body

Goods & Services

Pharmaceutical preparations, namely ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus and instruments for use in ophthalmology, in particular apparatus (laser apparatus) for refraction determination and refraction correction for eyes, except dental instruments and apparatus. Creating computer programs for ophthalmological diagnosis and therapy; technical consultancy of opticians and ophthalmologists.

Abstract

A method is disclosed for determining a current position of a patient interface of an eye surgical laser for an eye relative to an optical axis of a laser beam of a treatment apparatus. The method includes determining a target position of the patient interface relative to the optical axis, positioning the patient interface in a preset area in front of the optical axis, illuminating the patient interface by means of an illumination device, capturing a Purkinje image by means of the optical capturing device, comparing the captured Purkinje image to the optical axis and determining the current position of the patient interface depending thereon, comparing the current position to the target position and with a deviation, and outputting a control signal to a control device of the treatment apparatus. A treatment apparatus, a computer program and a computer-readable medium are disclosed for carrying out the method.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
• A61B 3/14 - Arrangements specially adapted for eye photography

Abstract

A method is disclosed for determining a current position of an eye of a patient relative to an optical axis of a laser beam of a treatment apparatus. The method includes presetting a criterion characterizing the eye, determining a first target position of the eye relative to the optical axis, positioning a patient interface in a preset area in front of the optical axis, illuminating the eye during an approaching procedure of the patient interface to the eye, capturing a Purkinje image, which is associated with a cornea of the eye, by means of an optical capturing device during the approaching procedure, comparing the captured Purkinje image to the optical axis and determining the current position of the eye depending thereon, comparing the current position to the target position and with a deviation, outputting a control signal to a control device of the treatment apparatus.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light

Abstract

A method for controlling an eye surgical laser is disclosed for the separation of a volume body. The method includes determining a target position of a pupil relative to a laser beam and determining an optical zone with a treatment center on interfaces relative to an optical axis of the laser beam, determining a transition zone at the volume body as an extension of the interface, capturing a current actual position of the pupil, determining a deviation between the target position and the actual position, and decentering the determined optical zone relative to the optical axis depending on the determined deviation such that the edge of the volume body is generated concentrically to the optical axis and the optical zone is generated concentrically to the determined treatment center and within the transition zone. Further disclosed are a treatment apparatus, a computer program and computer-readable medium capable of performing the method.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Goods & Services

Computer programs for performing diagnoses and therapy for use with eye-lasering apparatus and instruments. Physician services for treatment with eye-lasering apparatus and instruments.

Abstract

The invention relates to a method for controlling an eye surgical laser for the separation of a volume body with a predefined posterior interface and a predefined anterior interface from a cornea, comprising controlling the laser by means of a control device such that it emits pulsed laser pulses in a shot sequence in a predefined pattern into the cornea, wherein the interfaces of the volume body to be separated are defined by the predefined pattern and the interfaces are generated by means of an interaction of the individual laser pulses with the cornea by the generation of a plurality of cavitation bubbles generated by photodisruption, wherein the predefined pattern is generated by means of a mesh-like guidance of the emitted laser pulses and the control device controls the shot sequence of the laser such that a common overlap area of the cavitation bubbles is generated between adjacent cavitation bubbles. Further, the invention relates to a treatment device, to a computer program as well as to a computer-readable medium.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 17/00 - Surgical instruments, devices or methods

Abstract

A method is disclosed for controlling an eye surgical laser for the separation of a volume body from a cornea by using a control device such that the laser emits pulsed laser pulses in a shot sequence in a predefined pattern into the cornea. Interfaces of the volume body to be separated are defined by the predefined pattern and the interfaces are created by a plurality of cavitation bubbles generated by photodisruption. The plurality of cavitation bubbles is generated along at least one cavitation bubble path and the control device controls the shot sequence of the laser for generating a preset smoothness value such that a common overlap area of the cavitation bubbles is generated at least between adjacent cavitation bubbles located on the same cavitation bubble path depending on a geometry of the respective cavitation bubble.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 17/00 - Surgical instruments, devices or methods

Abstract

A method of controlling an eye surgical laser is disclosed for the separation of a volume body with predefined posterior and anterior interfaces from a human/animal cornea. The method including controlling the laser with a control device, the laser being configured to emit pulsed laser pulses in a predefined pattern into the cornea. The posterior and anterior interfaces of the volume body are defined by the predefined pattern and are generated by an interaction of the individual laser pulses with the cornea through photodisruption. The control device controls the laser beam such that both interfaces are generated via a continuous, uninterrupted sequence of laser pulses. A treatment device is disclosed with at least one eye surgical laser for the separation of a predefined corneal volume with predefined interfaces of a human/animal eye by photodisruption and with at least one control device for the laser(s).

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser
• A61B 17/00 - Surgical instruments, devices or methods
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
• A61B 18/20 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
• A61D 1/00 - Surgical instruments for veterinary use

Abstract

A patient interface system for positioning a patient's eye relative to a laser device for laser surgery is disclosed that includes a patient interface for coupling to the patient's eye, and a patient interface holder for arranging the patient interface on the laser device. The patient interface holder has a suction duct for connecting to a suction device, and the patient interface has a fluid-conducting device that couples to the patient interface holder, and when in the coupled state, together form a fluid path which fluidically couples the suction duct to the patient interface in order to hold a first positioning device of the patient interface against the patient's eye by a relative negative pressure generated by the suction device. A method is disclosed for coupling a patient interface to a patient interface holder, and a patient interface. A patient interface holder is also disclosed.

IPC Classes  ?

• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light

Abstract

A patient interface system is disclosed for positioning a patient's eye opposite a laser device for laser surgery. The system including a patient interface for coupling to the patient's eye and a patient interface holder for arranging the patient interface on the laser device. The patient interface holder includes a connection device for coupling a camera system. The patient interface holder and the patient interface have corresponding channels that delimit an optical path between the connection device and the patient interface. The channel of the patient interface is arranged such that is runs at least partially on an outer circumference of a suction cup part of the patient interface. Also disclosed are a camera system, a method for coupling a patient interface with a patient interface holder, as well as a patient interface and a patient interface holder, for a patient interface system.

IPC Classes  ?

• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light
• A61B 90/30 - Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
• A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
• A61B 17/00 - Surgical instruments, devices or methods
• A61B 17/30 - Surgical pincettes, i.e. surgical tweezers

Abstract

A method is disclosed for controlling an eye surgical laser for the separation of a volume body with predefined interfaces from a human or animal cornea. The method includes controlling the laser by means of a control device such that it emits pulsed laser pulses in a predefined pattern into the cornea, wherein the interfaces of the volume body to be separated are defined by the predefined pattern and a surface of the cornea and the interfaces located in the cornea are generated by photodisruption. A treatment device is also disclosed that includes at least one eye surgical laser for the separation of a predefined corneal volume with predefined interfaces of a human or animal eye by photodisruption, and at least one control device for the laser or lasers, which is formed to execute the steps of the method.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

The present invention relates to a method for controlling an eye surgical laser for the separation of a volume body with predefined interfaces from a human or animal cornea, comprising controlling the laser by means of a control device such that it emits pulsed laser pulses in a predefined pattern into the cornea, wherein the interfaces of the volume body to be separated are defined by the predefined pattern and the interfaces are generated by means of photodisruption, wherein the interfaces of the volume body are determined such that a pathological and/or unnaturally altered area within the stroma of the cornea is enclosed. Furthermore, the invention relates to a treatment device with at least one eye surgical laser for the separation of a predefined corneal volume with predefined interfaces of a human or animal eye by means of photodisruption and at least one control device for the laser or lasers, which is formed to execute the steps of the method according to the invention.

IPC Classes  ?

• A61F 9/008 - Methods or devices for eye surgery using laser

Abstract

A patient interface system for positioning a patient's eye opposite a laser device for laser surgery is disclosed, including a patient interface for coupling to the patient's eye and a patient interface holder for arranging the patient interface on the laser device. The patient interface holder includes a holder device with an engaging device for reversibly coupling the patient interface to the patient interface holder, and to position the patient interface relative to the patient interface holder with a second positioning device. The engaging device has a spring-loaded engaging body that cooperates with an associated engaging surface of the second positioning device of the patient interface in the coupled state of the patient interface. A method for coupling a patient interface with a patient interface holder of a patient interface system, as well as a patient interface and a patient interface holder for a patient interface system are also disclosed.

IPC Classes  ?

• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light
• A61B 90/30 - Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
• A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
• A61B 17/00 - Surgical instruments, devices or methods

Goods & Services

Pharmaceutical and ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus (laser apparatus) for ophthalmological refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; technical consultancy of opticians and ophthalmologists.

Goods & Services

Lasers for medical use, namely, for ophthalmological refraction determination and refraction correction for eyes Creating computer programs for ophthalmological diagnosis and therapy; technical consulting in relation to research services relating to opticians and ophthalmologists

Abstract

The invention relates to a patient interface system (10) for positioning a patient's eye opposite a laser device for laser surgery, comprising a patient interface (12) for coupling to the patient's eye and a patient interface holder (14) for arranging the patient interface (12) on the laser device. The patient interface holder (14) comprises a holder device (16), by means of which the patient interface (12) can be coupled reversibly to the patient interface holder (14), and which is designed to position the patient interface (12) relative to the patient interface holder (14) by means of the second positioning device (20) in the coupled state, wherein the holder device (16) comprises at least one engaging device (82). The engaging device (82) has at least one engaging body (76a'-c') which is spring-loaded and cooperates with an associated engaging surface (72a'-c') of the second positioning device (20) of the patient interface (12) in the coupled state of the patient interface (12). The invention also relates to a method for coupling a patient interface (12) with a patient interface holder (14) of a patient interface system (10) of this type, as well as a patient interface (12) and a patient interface holder (14) for a patient interface system (10) of this type.

IPC Classes  ?

• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light

Abstract

The invention relates to a patient interface system (10) for positioning a patient's eye relative to a laser device for laser surgery, comprising a patient interface (12) for coupling to the patient's eye, and a patient interface holder (14) for arranging the patient interface (12) on the laser device. The patient interface holder (14) has a suction duct (62) which can be connected to a suction device, and the patient interface (12) has a fluid-conducting device (60), wherein the patient interface holder (14) and the fluid-conducting device (60) of the patient interface (12), when in the coupled state, together form a fluid path which fluidically couples a suction duct (62) to a suction opening (64) of the patient interface (12) in the region of the first positioning device (30) in order to hold a first positioning device (30) of the patient interface (12) against the patient's eye by a relative negative pressure generated by means of the suction device. The invention also relates to a method for coupling a patient interface (12) to a patient interface holder (14) of such a patient interface system (10), and also to a patient interface (12) and a patient interface holder (14) for such a patient interface system (10).

IPC Classes  ?

• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light

Abstract

The invention relates to a patient interface system (10) for positioning a patient's eye opposite a laser device for laser surgery, comprising a patient interface (12) for coupling to the patient's eye and a patient interface holder (14) for arranging the patient interface (12) on the laser device. The patient interface holder (14) comprises a connection device (22) for coupling a camera system (24). The patient interface holder (14) and the patient interface (12) have channels (38) corresponding with one another, which together delimit an optical path (P) between the connection device (22) and the first positioning device (30) in the coupled state of the patient interface holder (14) and the patient interface (12), wherein the channel (38) of the patient interface (12) is arranged such that is runs at least partially on an outer circumference of a suction cup part (58) of the patient interface (12). The invention also relates to a camera system (24) for a patient interface system (10) of this type, a method for coupling a patient interface (12) with a patient interface holder (14) of a patient interface system (10) of this type, as well as a patient interface (12) and a patient interface holder (14) for a patient interface system (10) of this type.

IPC Classes  ?

• A61F 9/009 - Auxiliary devices for making contact with the eyeball and coupling-in laser light

Goods & Services

Computer programs for performing diagnoses and therapy in ophthalmology, in particular for correcting defective vision. Medical and optical services.

Goods & Services

Pharmaceutical and ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus and instruments for use in ophthalmology, in particular apparatus (laser apparatus) for refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; Technical consultancy of opticians and ophthalmologists.

Goods & Services

Pharmaceutical and ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus (laser apparatus) for ophthalmological refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; Technical consultancy of opticians and ophthalmologists.

Goods & Services

Computer programs for performing diagnoses and therapy in ophthalmology, in particular for correcting defective vision. Medical and optical services.

Goods & Services

Pharmaceutical and ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus and instruments for use in ophthalmology, in particular apparatus (laser apparatus) for refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; Technical consultancy of opticians and ophthalmologists.

Goods & Services

Pharmaceutical products,Namely preparations for eye care, Ophthalmic preparations,Preparations for the care of contact lenses. Medical apparatus and instruments for use in ophthalmology, in particular apparatus (laser apparatus) for refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; Technical consultancy of opticians and ophthalmologists.

Goods & Services

Pharmaceutical products,Namely preparations for eye care, Ophthalmic preparations,Preparations for the care of contact lenses. Medical apparatus and instruments for use in ophthalmology, in particular apparatus (laser apparatus) for refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; Technical consultancy of opticians and ophthalmologists.

Goods & Services

Pharmaceutical preparations, namely ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus and instruments for use in ophthalmology, in particular apparatus (laser apparatus) for refraction determination and refraction correction for eyes, except dental instruments and apparatus. Creating computer programs for ophthalmological diagnosis and therapy; technical consultancy of opticians and ophthalmologists.

Goods & Services

Pharmaceutical and ophthalmological preparations, ophthalmics, contact lens care preparations. Medical apparatus and instruments for use in ophthalmology, in particular apparatus (laser apparatus) for refraction determination and refraction correction for eyes. Creating computer programs for ophthalmological diagnosis and therapy; technical consultancy of opticians and ophthalmologists.