09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
lenses for eyeglasses; spectacle lenses with prism lenses; contoured prism eyeglass lenses used to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses used to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses used to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; eye glasses for use with computers; eye glasses for use with digital screens; eyeglasses with progressive prism lenses; eyeglasses used to treat trigeminal dysphoria; progressive lenses with contour prism; eye glasses for use in offices Diagnostic apparatus for diagnosing eye diseases and dysfunctions for medical use; optometric instruments for determining eye misalignment and vergence insufficiency; apparatus to diagnose strabismus for prism to be implemented in spectacle lenses for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria and ocular misalignment in order to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain for medical purposes; optometric measurement instrument to determine prescription for computer glasses and digital glasses prism by measuring ocular misalignment for medical purposes; apparatus for measuring and diagnosing trigeminal dysphoria in order to determine lens prescription to treat trigeminal dysphoria for medical purposes; optometric measurement instrument to assist the prescription of contact lenses with prism and contour prism by measuring ocular misalignment for medical purposes; optometric instrument for measuring ocular motility for medical purposes; optometric instrument for pupillometry for medical purposes; optometric instrument for measuring afferent pupillary response for medical purposes; optometric instrument for assessing saccadic eye movement for medical purposes; optometric instrument for measuring smooth pursuits of the eye for medical purposes
2.
SYSTEM FOR MEASURING BINOCULAR ALIGNMENT WITH ADJUSTABLE DISPLAYS AND EYE TRACKERS
A system to determine a binocular alignment, comprises a first optical unit, including a first display, to display images for a first eye, actuatable along a longitudinal direction according to a simulated distance and an optical power of the first eye, and a first eye tracker assembly, to track a gaze direction of the first eye, adjustable in a horizontal lateral direction to accommodate a pupillary distance of the first eye; and a second optical unit, including a second display, to display images for a second eye, actuatable along the longitudinal direction according to a simulated distance and an optical power of the second eye, and a second eye tracker assembly, to track a gaze direction of the second eye, adjustable in the horizontal lateral direction to accommodate a pupillary distance of the second eye; and a computer, to determine the binocular alignment based on the gaze directions.
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A contour prism lens, having a position dependent optical power and a position dependent horizontal prism, and having a distance-vision reference point and a near-vision reference point, the contour prism lens being characterized by a coordinate system with its vertical axis running through the distance-vision reference point, wherein: the optical power at the near-vision reference point exceeds the optical power at the distance-vision reference point by less than 0.5 diopter; the horizontal prism on the vertical axis at a vertical coordinate of the near-vision reference point differs from the horizontal prism at the distance-vision reference point by more than 0.2 prism diopter base-in; and the optical power along a horizontal crosscut of the contour prism lens through the near-vision reference point has a power plateau, where the optical power remains within a 0.1 diopter wide range throughout a horizontal region at least 5 mm wide, comprising the near-vision reference point.
A contour prism lens, having a position dependent optical power and a position dependent horizontal prism, and having a distance-vision reference point and a near-vision reference point, the contour prism lens being characterized by a coordinate system with its vertical axis running through the distance-vision reference point, wherein: the optical power at the near-vision reference point exceeds the optical power at the distance-vision reference point by less than 0.5 diopter; the horizontal prism on the vertical axis at a vertical coordinate of the near-vision reference point differs from the horizontal prism at the distance-vision reference point by more than 0.2 prism diopter base-in; and the optical power along a horizontal crosscut of the contour prism lens through the near-vision reference point has a power plateau, where the optical power remains within a 0.1 diopter wide range throughout a horizontal region at least 5 mm wide, comprising the near-vision reference point.
A contour prism progressive lens has a position dependent optical power and a position dependent horizontal prism, and a distance-vision reference point and a near-vision reference point. It is characterized by a coordinate system with its vertical axis running through the distance-vision reference point and has an optical power at the near-vision power reference point that exceeds the optical power at the distance-vision reference point by a value between 0.25 diopter and 1.0 diopter. The horizontal prism on the vertical axis at a vertical coordinate of the near-vision reference point differs from the horizontal prism at the distance-vision reference point by more than 0.2 prism diopter base-in; and the optical power along a horizontal crosscut of the contour prism progressive lens through the near-vision reference point has a broad maximum where the region where the optical power is at least 85% of its peak is at least 5 mm wide.
A method for determining a binocular dynamic alignment can include the following steps: causing a patient to gaze at a starting target with a left eye and a right eye, with a display; shifting the target in a first direction by a first target shift angle at a first target shift time, with the display; measuring a first dynamic alignment differential between the left eye and the right eye acquiring the first-shifted target, with an eye tracker; shifting the first-shifted target in a second direction at a second target shift time, with the display; measuring a second dynamic alignment differential between the left eye and the right eye acquiring the second-shifted target with the eye tracker; determining an average dynamic alignment differential from the first dynamic alignment differential and the second alignment differential, with a computer; and determining a prescription prism to reduce the average dynamic alignment differential.
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A method for determining a binocular dynamic alignment can include the following steps: causing a patient to gaze at a starting target with a left eye and a right eye, with a display; shifting the target in a first direction by a first target shift angle at a first target shift time, with the display; measuring a first dynamic alignment differential between the left eye and the right eye acquiring the first-shifted target, with an eye tracker; shifting the first-shifted target in a second direction at a second target shift time, with the display; measuring a second dynamic alignment differential between the left eye and the right eye acquiring the second-shifted target with the eye tracker; determining an average dynamic alignment differential from the first dynamic alignment differential and the second alignment differential, with a computer; and determining a prescription prism to reduce the average dynamic alignment differential.
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
09 - Scientific and electric apparatus and instruments
Goods & Services
lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive lenses with contour prism; office eye glasses
09 - Scientific and electric apparatus and instruments
Goods & Services
lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive lenses with contour prism; office eye glasses
09 - Scientific and electric apparatus and instruments
Goods & Services
lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive lenses with contour prism; office eye glasses
09 - Scientific and electric apparatus and instruments
Goods & Services
lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive lenses with contour prism; office eye glasses
09 - Scientific and electric apparatus and instruments
Goods & Services
lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive lenses with contour prism; office eye glasses
13.
METHOD AND SYSTEM FOR MEASURING BINOCULAR ALIGNMENT
Embodiments of the invention include a method to determine a binocular alignment, the method comprising: measuring a disassociated phoria of a first eye and a second eye of a patient at an apparent distance; and determining an accommodative convergence of the first eye and the second eye at the apparent distance using the measured disassociated phoria. In other embodiments, a system to determine a binocular alignment comprises a stereo display, for a projection of images for a first eye and a second eye; an accommodation optics, to modify the projection of the images according to an apparent distance; an eye tracker, to track an orientation of the first eye and the second eye; and a computer, coupled to the stereo display, the accommodation optics and the eye tracker, to manage a determination of the binocular alignment.
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
Diagnostic apparatus for diagnosing eye diseases and dysfunctions for medical use; optometric instruments for determining eye misalignment and vergence insufficiency; apparatus to diagnose strabismus for prism to be implemented in spectacle lenses for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria and ocular misalignment in order to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain for medical purposes; optometric measurement instrument to determine prescription for computer glasses and digital glasses prism by measuring ocular misalignment for medical purposes; apparatus for measuring and diagnosing trigeminal dysphoria in order to determine lens prescription to treat trigeminal dysphoria for medical purposes; optometric measurement instrument to assist the prescription of contact lenses with prism or contour prism by measuring ocular misalignment for medical purposes; optometric instrument for measuring ocular motility for medical purposes; optometric instrument for pupillometry for medical purposes; optometric instrument for measuring afferent pupillary response for medical purposes; optometric instrument for saccadic eye movement assessment for medical purposes; optometric instrument for measuring smooth pursuits of the eye for medical purposes; Surgical, medical, dental and veterinary apparatus and instruments; Artificial limbs, eyes and teeth; Orthopaedic articles; Suture materials; Therapeutic and assistive devices adapted for persons with disabilities; Massage apparatus; Apparatus, devices and articles for nursing infants; Sexual activity apparatus, devices and articles.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive lenses with contour prism; Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; Recorded and downloadable media, computer software, blank digital or analogue recording and storage media; Mechanisms for coin-operated apparatus; Cash registers, calculating devices; Computers and computer peripheral devices; Diving suits, divers' masks, ear plugs for divers, nose clips for divers and swimmers, gloves for divers, breathing apparatus for underwater swimming; Fire-extinguishing apparatus. Diagnostic apparatus for diagnosing eye diseases and dysfunctions for medical use; optometric instruments for determining eye misalignment and vergence insufficiency; apparatus to diagnose strabismus for prism to be implemented in spectacle lenses for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria and ocular misalignment in order to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain for medical purposes; optometric measurement instrument to determine prescription for computer glasses and digital glasses prism by measuring ocular misalignment for medical purposes; apparatus for measuring and diagnosing trigeminal dysphoria in order to determine lens prescription to treat trigeminal dysphoria for medical purposes; optometric measurement instrument to assist the prescription of contact lenses with prism or contour prism by measuring ocular misalignment for medical purposes; optometric instrument for measuring ocular motility for medical purposes; optometric instrument for pupillometry for medical purposes; optometric instrument for measuring afferent pupillary response for medical purposes; optometric instrument for saccadic eye movement assessment for medical purposes; optometric instrument for measuring smooth pursuits of the eye for medical purposes; Surgical, medical, dental and veterinary apparatus and instruments; Artificial limbs, eyes and teeth; Orthopaedic articles; Suture materials; Therapeutic and assistive devices adapted for persons with disabilities; Massage apparatus; Apparatus, devices and articles for nursing infants; Sexual activity apparatus, devices and articles.
(1) Diagnostic apparatus for diagnosing eye diseases and dysfunctions for medical use; optometric instruments for determining eye misalignment and vergence insufficiency; apparatus to diagnose strabismus for prism to be implemented in spectacle lenses for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria and ocular misalignment in order to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain for medical purposes; optometric measurement instrument to determine prescription for computer glasses and digital glasses prism by measuring ocular misalignment for medical purposes; apparatus for measuring and diagnosing trigeminal dysphoria in order to determine lens prescription to treat trigeminal dysphoria for medical purposes; optometric measurement instrument to assist the prescription of contact lenses with prism or contour prism by measuring ocular misalignment for medical purposes; optometric instrument for measuring ocular motility for medical purposes; optometric instrument for pupillometry for medical purposes; optometric instrument for measuring afferent pupillary response for medical purposes; optometric instrument for saccadic eye movement assessment for medical purposes; optometric instrument for measuring smooth pursuits of the eye for medical purposes
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
(1) Lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive lenses with contour prism
(2) Diagnostic apparatus for diagnosing eye diseases and dysfunctions for medical use; optometric instruments for determining eye misalignment and vergence insufficiency; apparatus to diagnose strabismus for prism to be implemented in spectacle lenses for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria and ocular misalignment in order to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain for medical purposes; optometric measurement instrument to determine prescription for computer glasses and digital glasses prism by measuring ocular misalignment for medical purposes; apparatus for measuring and diagnosing trigeminal dysphoria in order to determine lens prescription to treat trigeminal dysphoria for medical purposes; optometric measurement instrument to assist the prescription of contact lenses with prism or contour prism by measuring ocular misalignment for medical purposes; optometric instrument for measuring ocular motility for medical purposes; optometric instrument for pupillometry for medical purposes; optometric instrument for measuring afferent pupillary response for medical purposes; optometric instrument for saccadic eye movement assessment for medical purposes; optometric instrument for measuring smooth pursuits of the eye for medical purposes
18.
HEADSET-BASED SYSTEM FOR MEASURING BINOCULAR ALIGNMENT
A method to determine a binocular alignment includes measuring a disassociated phoria of a patient at a first simulated distance by presenting fusible images including targets with a first parallax corresponding to the first simulated distance, using a headset stereo display at a screen distance; presenting non-fusible images by presenting the target for a first eye with the first parallax and presenting a disassociated targetless image for a second eye, and measuring the disassociated phoria in response to the presenting of non-fusible images, using an eye tracker of the headset; and determining a vergence of the patient at the first simulated distance by presenting fusible images for the first and second eyes with the first parallax, corrected with the measured disassociated phoria; measuring an associated phoria in response to the presenting of fusible images; and determining the vergence as a combination of the disassociated phoria and the associated phoria.
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
Diagnostic apparatus for diagnosing eye diseases and dysfunctions for medical use; optometric instruments for determining eye misalignment and vergence insufficiency; apparatus to diagnose strabismus for prism to be implemented in spectacle lenses for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria and ocular misalignment in order to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain for medical purposes; optometric measurement instrument to determine prescription for computer glasses and digital glasses prism by measuring ocular misalignment for medical purposes; apparatus for measuring and diagnosing trigeminal dysphoria in order to determine lens prescription to treat trigeminal dysphoria for medical purposes; optometric measurement instrument to assist the prescription of contact lenses with prism and contour prism by measuring ocular misalignment for medical purposes; optometric instrument for measuring ocular motility for medical purposes; optometric instrument for pupillometry for medical purposes; optometric instrument for measuring afferent pupillary response for medical purposes; optometric instrument for assessing saccadic eye movement for medical purposes; optometric instrument for measuring smooth pursuits of the eye for medical purposes
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lenses for eyeglasses; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer eye glasses; digital eye glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; progressive eyeglass lenses with contour prism Diagnostic apparatus for diagnosing eye diseases and dysfunctions for medical use; optometric instruments for determining eye misalignment and vergence insufficiency; apparatus to diagnose strabismus for prism to be implemented in spectacle lenses for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria and ocular misalignment in order to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices for medical purposes; apparatus for measuring and diagnosing strabismus, trigeminal dysphoria, vergence insufficiency and ocular misalignment in order to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain for medical purposes; optometric measurement instrument to determine prescription for computer glasses and digital glasses prism by measuring ocular misalignment for medical purposes; apparatus for measuring and diagnosing trigeminal dysphoria in order to determine lens prescription to treat trigeminal dysphoria for medical purposes; optometric measurement instrument to assist the prescription of contact lenses with prism and contour prism by measuring ocular misalignment for medical purposes; optometric instrument for measuring ocular motility for medical purposes; optometric instrument for pupillometry for medical purposes; optometric instrument for measuring afferent pupillary response for medical purposes; optometric instrument for assessing saccadic eye movement for medical purposes; optometric instrument for measuring smooth pursuits of the eye for medical purposes
21.
Method and system for measuring binocular alignment
Embodiments of the invention include a method to determine a binocular alignment, the method comprising: measuring a disassociated phoria of a first eye and a second eye of a patient at an apparent distance; and determining an accommodative convergence of the first eye and the second eye at the apparent distance using the measured disassociated phoria. In other embodiments, a system to determine a binocular alignment comprises a stereo display, for a projection of images for a first eye and a second eye; an accommodation optics, to modify the projection of the images according to an apparent distance; an eye tracker, to track an orientation of the first eye and the second eye; and a computer, coupled to the stereo display, the accommodation optics and the eye tracker, to manage a determination of the binocular alignment.
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
22.
Method of operating a progressive lens simulator with an axial power-distance simulator
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor. Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
G06F 30/20 - Design optimisation, verification or simulation
A system to determine a binocular alignment, comprises a first optical unit, including a first display, to display images for a first eye, actuatable along a longitudinal direction according to a simulated distance and an optical power of the first eye, and a first eye tracker assembly, to track a gaze direction of the first eye, adjustable in a horizontal lateral direction to accommodate a pupillary distance of the first eye; and a second optical unit, including a second display, to display images for a second eye, actuatable along the longitudinal direction according to a simulated distance and an optical power of the second eye, and a second eye tracker assembly, to track a gaze direction of the second eye, adjustable in the horizontal lateral direction to accommodate a pupillary distance of the second eye; and a computer, to determine the binocular alignment based on the gaze directions.
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
24.
SYSTEM FOR MEASURING BINOCULAR ALIGNMENT WITH ADJUSTABLE DISPLAYS AND EYE TRACKERS
A system to determine a binocular alignment, comprises a first optical unit, including a first display, to display images for a first eye, actuatable along a longitudinal direction according to a simulated distance and an optical power of the first eye, and a first eye tracker assembly, to track a gaze direction of the first eye, adjustable in a horizontal lateral direction to accommodate a pupillary distance of the first eye; and a second optical unit, including a second display, to display images for a second eye, actuatable along the longitudinal direction according to a simulated distance and an optical power of the second eye, and a second eye tracker assembly, to track a gaze direction of the second eye, adjustable in the horizontal lateral direction to accommodate a pupillary distance of the second eye; and a computer, to determine the binocular alignment based on the gaze directions.
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A class of prismatic contact lenses includes a first prism zone, having a first prism and a first optical power; and a progressive prism zone, adjacent to the first prism zone, having a progressive prism that varies from the first prism to a second prism. The prismatic contact lens can further comprise a second prism zone, adjacent to the progressive prism zone, having the second prism and a second optical power. Another class of prismatic contact lenses include a first prism zone, having a first prism and a first optical power; a second prism zone, adjacent to the first prism zone, having a second prism and a second optical power; and a sharp transition between the first prism zone and the second prism zone.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Embodiments of the invention include a method to determine a binocular alignment, the method comprising: measuring a disassociated phoria of a first eye and a second eye of a patient at an apparent distance; and determining an accommodative convergence of the first eye and the second eye at the apparent distance using the measured disassociated phoria. In other embodiments, a system to determine a binocular alignment comprises a stereo display, for a projection of images for a first eye and a second eye; an accommodation optics, to modify the projection of the images according to an apparent distance; an eye tracker, to track an orientation of the first eye and the second eye; and a computer, coupled to the stereo display, the accommodation optics and the eye tracker, to manage a determination of the binocular alignment.
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
27.
System for measuring binocular alignment with adjustable displays and eye trackers
A system to determine a binocular alignment, comprises a first optical unit, including a first display, to display images for a first eye, actuatable along a longitudinal direction according to a simulated distance and an optical power of the first eye, and a first eye tracker assembly, to track a gaze direction of the first eye, adjustable in a horizontal lateral direction to accommodate a pupillary distance of the first eye; and a second optical unit, including a second display, to display images for a second eye, actuatable along the longitudinal direction according to a simulated distance and an optical power of the second eye, and a second eye tracker assembly, to track a gaze direction of the second eye, adjustable in the horizontal lateral direction to accommodate a pupillary distance of the second eye; and a computer, to determine the binocular alignment based on the gaze directions.
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lenses for eyeglasses; eyeglass frames; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer glasses; digital glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; contact lenses with prism or contour prism. Diagnostic device for medical use; optometric device for determining eye misalignment; device to diagnose prism to be implemented in spectacle lenses; device to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; device to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; device to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; optometric measurement device to determine prescription for computer glasses and digital glasses; device to determine lens prescription to treat trigeminal dysphoria; optometric measurement device to assist the prescription of contact lenses with prism or contour prism; optometric device for ocular motility; optometric device for pupillometry; optometric device for afferent pupillary response; optometric device for saccadic assessment; optometric device for measuring smooth pursuits.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
(1) Lenses for eyeglasses; eyeglass frames; spectacle lenses with prism; contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; lenses for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; eyeglasses to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; computer glasses; digital glasses; eyeglasses with progressive prism; eyeglasses to treat trigeminal dysphoria; contact lenses with prism or contour prism
(2) Diagnostic device for medical use; optometric device for determining eye misalignment; device to diagnose prism to be implemented in spectacle lenses; device to determine prescription for contoured prism eyeglass lenses to alleviate symptoms of misalignment and to provide relief for hard-working eyes; device to determine lens prescription for eyeglasses to relieve symptoms of eyestrain resulting from use of digital devices; device to determine eyeglass prescription to relieve the symptoms of eye fatigue, headaches, neck pain, and shoulder pain; optometric measurement device to determine prescription for computer glasses and digital glasses; device to determine lens prescription to treat trigeminal dysphoria; optometric measurement device to assist the prescription of contact lenses with prism or contour prism; optometric device for ocular motility; optometric device for pupillometry; optometric device for afferent pupillary response; optometric device for saccadic assessment; optometric device for measuring smooth pursuits
30.
Method of operating a progressive lens simulator with an axial power-distance simulator
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted, A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor, Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor. Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor. Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A61B 3/02 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/0338 - Pointing devices displaced or positioned by the userAccessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor. Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
G06F 3/0338 - Pointing devices displaced or positioned by the userAccessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor. Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in tire eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor. Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
38.
Progressive lens simulator with an axial power-distance simulator
A Progressive Lens Simulator comprises an Eye Tracker, for tracking an eye axis direction to determine a gaze distance, an Off-Axis Progressive Lens Simulator, for generating an Off-Axis progressive lens simulation; and an Axial Power-Distance Simulator, for simulating a progressive lens power in the eye axis direction. The Progressive Lens Simulator can alternatively include an Integrated Progressive Lens Simulator, for creating a Comprehensive Progressive Lens Simulation. The Progressive Lens Simulator can be Head-mounted. A Guided Lens Design Exploration System for the Progressive Lens Simulator can include a Progressive Lens Simulator, a Feedback-Control Interface, and a Progressive Lens Design processor, to generate a modified progressive lens simulation for the patient after a guided modification of the progressive lens design. A Deep Learning Method for an Artificial Intelligence Engine can be used for a Progressive Lens Design Processor. Embodiments include a multi-station system of Progressive Lens Simulators and a Central Supervision Station.
A61B 3/11 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring interpupillary distance or diameter of pupils
G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
G02B 3/14 - Fluid-filled or evacuated lenses of variable focal length
G02B 26/00 - Optical devices or arrangements for the control of light using movable or deformable optical elements
H04N 13/383 - Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
A convergence-reducing lens, wherein a central normal of the convergence-reducing lens defines a z-axis, and a center of the convergence-reducing lens defines a tangential, centered x-y plane, together defining a coordinate system, the convergence-reducing lens comprising a distance-vision region, having a negative distance-vision optical power, to refract a light ray, directed parallel to the z-axis at a distance-vision region point at an x-distance from a y- z plane of the coordinate system, so that its extension intersects the y-z plane at a distance- vision intersection z-distance; and a near-vision region, having a near-vision optical power that matches the distance-vision optical power within 0.5D, to refract a light ray, directed parallel to the z-axis at a near-vision region point at the x-distance of the distance-vision region point, at a corresponding y height, so that its extension intersects the y-z plane at a near-vision intersection z-distance that is smaller than the distance-vision intersection z- distance.
An eye-strain reducing lens is characterized by an x-y-z coordinate system, and includes a distance-vision region, having a negative distance-vision optical power, configured to refract a light ray, directed by a source at a distance-vision region point at a distance-vision x-distance from a center of the coordinate system, to propagate to an eye-center-representative location; and a near-vision region, having a near-vision optical power that matches the distance-vision optical power within 0.5 D, configured to refract a light ray, directed by the source at a near-vision region point at a near-vision x-distance from the center of the coordinate system, to propagate to an x-z location of the eye-center representative location at a corresponding y height; wherein the near-vision x-distance is smaller than the distance-vision x-distance.
A convergence-reducing lens, wherein a central normal of the convergence- reducing lens defines a z-axis, and a center of the convergence-reducing lens defines a tangential, centered x-y plane, together defining a coordinate system, the convergence- reducing lens comprising a distance-vision region, having a negative distance- vision optical power, to refract a light ray, directed parallel to the z-axis at a distance-vision region point at an x-distance from a y-z plane of the coordinate system, so that its extension intersects the y-z plane at a distance- vision intersection z- distance; and a near- vision region, having a near-vision optical power that matches the distance- vision optical power within 0.5D, to refract a light ray, directed parallel to the z-axis at a near-vision region point at the x-distance of the distance-vision region point, at a corresponding y height, so that its extension intersects the y-z plane at a near-vision intersection z-distance that is smaller than the distance-vision intersection z- distance.
A convergence-reducing lens, wherein a central normal of the convergence- reducing lens defines a z-axis, and a center of the convergence-reducing lens defines a tangential, centered x-y plane, together defining a coordinate system, the convergence- reducing lens comprising a distance-vision region, having a negative distance- vision optical power, to refract a light ray, directed parallel to the z-axis at a distance-vision region point at an x-distance from a y-z plane of the coordinate system, so that its extension intersects the y-z plane at a distance- vision intersection z- distance; and a near- vision region, having a near-vision optical power that matches the distance- vision optical power within 0.5D, to refract a light ray, directed parallel to the z-axis at a near-vision region point at the x-distance of the distance-vision region point, at a corresponding y height, so that its extension intersects the y-z plane at a near-vision intersection z-distance that is smaller than the distance-vision intersection z- distance.
A convergence-reducing lens, wherein a central normal of the convergence-reducing lens defines a z-axis, and a center of the convergence-reducing lens defines a tangential, centered x-y plane, together defining a coordinate system, the convergence-reducing lens comprising a distance-vision region, having a negative distance-vision optical power, to refract a light ray, directed parallel to the z-axis at a distance-vision region point at an x-distance from a y-z plane of the coordinate system, so that its extension intersects the y-z plane at a distance-vision intersection z-distance; and a near-vision region, having a near-vision optical power that matches the distance-vision optical power within 0.5D, to refract a light ray, directed parallel to the z-axis at a near-vision region point at the x-distance of the distance-vision region point, at a corresponding y height, so that its extension intersects the y-z plane at a near-vision intersection z-distance that is smaller than the distance-vision intersection z-distance.
A convergence-reducing lens, wherein a central normal defines a z-axis, and a central region defines an x-y plane, together defining an x-y-z coordinate system, the convergence-reducing lens comprising a distance-vision region with a negative distance-vision optical power, having a distance-vision front surface with a center of distance-vision front curvature, and a distance-vision rear surface with a center of distance-vision rear curvature; and a near-vision region with an optical power within 0.5 D of the distance-vision optical power, having a near-vision front surface with a center of near-vision front curvature, and a near-vision rear surface with a center of near-vision rear curvature; wherein at least one of an x-coordinate of the center of near-vision front curvature is nasal relative to an x-coordinate of the center of distance-vision front curvature, and an x-coordinate of the center of near-vision rear curvature is temporal relative to an x-coordinate of the center of distance-vision rear curvature.
Embodiments of the invention include a method to determine a binocular alignment, the method comprising: measuring a disassociated phona of a first eye and a second eye of a patient at an apparent distance; and determining an accommodative convergence of the first eye and the second eye at the apparent distance using the measured disassociated phoria. In other embodiments, a system to determine a binocular alignment comprises a stereo display, for a projection of images for a first eye and a second eye; an accommodation optics, to modify the projection of the images according to an apparent distance; an eye tracker, to track an orientation of the first eye and the second eye; and a computer, coupled to the stereo display, the accommodation optics and the eye tracker, to manage a detennination of the binocular alignment.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/09 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing accommodation
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A61B 3/14 - Arrangements specially adapted for eye photography
46.
Method and system for measuring binocular alignment
Embodiments of the invention include a method to determine a binocular alignment, the method comprising: measuring a disassociated phoria of a first eye and a second eye of a patient at an apparent distance; and determining an accommodative convergence of the first eye and the second eye at the apparent distance using the measured disassociated phoria. In other embodiments, a system to determine a binocular alignment comprises a stereo display, for a projection of images for a first eye and a second eye; an accommodation optics, to modify the projection of the images according to an apparent distance; an eye tracker, to track an orientation of the first eye and the second eye; and a computer, coupled to the stereo display, the accommodation optics and the eye tracker, to manage a determination of the binocular alignment.
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
H04N 13/344 - Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
H04N 13/383 - Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
A class of prismatic contact lenses includes a first prism zone, having a first prism and a first optical power; and a progressive prism zone, adjacent to the first prism zone, having a progressive prism that varies from the first prism to a second prism. The prismatic contact lens can further comprise a second prism zone, adjacent to the progressive prism zone, having the second prism and a second optical power. Another class of prismatic contact lenses include a first prism zone, having a first prism and a first optical power; a second prism zone, adjacent to the first prism zone, having a second prism and a second optical power; and a sharp transition between the first prism zone and the second prism zone.
A convergence-reducing lens of a low-convergence spectacle is characterized by a central normal of the convergence -reducing lens that defines a z-axis, and a center of the convergence- reducing lens defines a tangential centered x-y plane, together defining an x-y-z coordinate system, the convergence-reducing lens comprising a distance-vision region, having a non- negative distance- vision optical power, configured to refract a light ray, directed parallel to the z-axis at a distance-vision region point at an x-distance from a y-z plane of the coordinate system, to intersect the y-z-plane at a distance-vision intersection 2 -distance; and a near-vision region, having a near-vision optical power that matches the distance-vision optical power within 0.5 D, configured to refract a light ray, directed parallel to the z-axis at a near-vision region point at the x-distance of the distance-vision region point, to intersect, the y-z-plane at a near-vision intersection z-distance that is greater than the distance-vision intersection z- distance.
A convergence-reducing lens of a low-convergence spectacle is characterized by a central normal of the convergence-reducing lens that defines a z-axis, and a center of the convergence-reducing lens defines a tangential, centered x-y plane, together defining an x-y-z coordinate system, the convergence-reducing lens comprising a distance-vision region, having a non-negative distance-vision optical power, configured to refract a light ray, directed parallel to the z-axis at a distance-vision region point at an x-distance from a y-z plane of the coordinate system, to intersect the y-z-plane at a distance-vision intersection z-distance; and a near-vision region, having a near-vision optical power that matches the distance-vision optical power within 0.5 D, configured to refract a light ray, directed parallel to the z-axis at a near-vision region point at the x-distance of the distance-vision region point, to intersect the y-z-plane at a near-vision intersection z-distance that is greater than the distance-vision intersection z-distance.
An eye-strain reducing lens is characterized by an x-y-z coordinate system, and includes a distance-vision region, baying a non-negative distance-vision optical power, configured to refract a light ray, directed by a source at a distance-vision region point at a distance-vision x-distance from a center of the coordinate system, to propagate to an eye-center-representative location; and a near-vision region, having a near-vision optical power that matches the distance-vision optical point within 0.5 D, configured to refract a light ray, directed by the source at a near-vision region point at a near-vision x-distance from the center of the coordinate system, to propagate to the same eye-center representative location; wherein the near-vision x-distance is smaller than the distance -vision x-distance.
An off-axis curvature center lens is characterized by an x-y-z coordinate system of the convergence-reducing lens, the off-axis curvature lens comprising a distance-vision region with a non-negative distance-vision optical power, having a front distance-vision surface with a center of front distance-vision curvature, and a rear distance-vision surface with a center of rear distance-vision curvature; and a near-vision region with an optical power within 0.5D of the distance-vision optical power, having a front near-vision surface with a center of front near-vision curvature, and a rear near-vision surface with a center of rear near-vision curvature; wherein at least one of an x-coordinate of the center of front near-vision curvature is nasal relative to an x-coordinate of the center of front distance-vision curvature, and an x-coordinate of the center of rear near-vision curvature is temporal relative to an x-coordinate of the center of rear distance-vision curvature.
There is disclosed herein a system for measuring visual fixation disparity comprising a display apparatus for presenting stereoscopic visual content to a patient. A sensing apparatus tracks eye movement of the patient. A controller controls the display apparatus to stereoscopically display a central image target alternately to a left eye and a right eye of the patient and tracking eye movement for a period of time as the central image target is alternated between the left eye and the right eye, and incrementally relocating the central image target left and right images until the patient perceives the left and right images to be physically coincident.
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
There is disclosed herein a system for measuring visual fixation disparity comprising a display apparatus for presenting stereoscopic visual content to a patient. A sensing apparatus tracks eye movement of the patient. A controller controls the display apparatus to stereoscopically display a central image target alternately to a left eye and a right eye of the patient and tracking eye movement for a period of time as the central image target is alternated between the left eye and the right eye, and incrementally relocating the central image target left and right images until the patient perceives the left and right images to be physically coincident.
A61B 3/02 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
The invention provides methods and lenses for reducing asthenopia related symptoms associated with proprioceptive disparity. In certain aspects, lenses of the invention include a distance portion and a near portion, and a progressive increase in minus power from the distance portion to the near portion. Additionally, lenses of the invention may include a prism and a progressive reduction in optical power, in which the prism and the progressive reduction are varied independently. In one embodiment, a lens is provided that has a base-in prism and that provides an increase in minus power from the distance vision portion of the lens to a near vision portion of the lens (i.e., a progressive reduction).
