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Including eye movement detection

Subclass of:

351 - Optics: eye examining, vision testing and correcting

351200000 - EYE EXAMINING OR TESTING INSTRUMENT

351205000 - Objective type

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
351210000 Using photodetector 55
Entries
DocumentTitleDate
20130044291VISUAL FATIGUE LEVEL MEASURING DEVICE, VISUAL FATIGUE LEVEL MEASURING METHOD, VISUAL FATIGUE LEVEL MEASURING SYSTEM, AND THREE-DIMENSIONAL GLASSES - A visual fatigue level measuring device includes: a video presenting unit which presents 3D video; a test period determining unit which determines two or more time periods each of which is for a test for measuring a level of visual fatigue; an eye movement obtaining unit which obtains data indicating eye movements of left and right eyes of a player with respect to the presented video; an eye movement extracting unit which extracts, from the obtained eye movement data, eye movement data in each of the two or more time periods determined by the test period determining unit; an eye movement comparing unit which compares eye movements in the two or more time periods based on the extracted data; and a fatigue level determining unit which determines the level of visual fatigue of the player based on the comparison result.02-21-2013
20100201945SYSTEM AND METHOD FOR TRACKING EYEBALL MOTION - Detecting position information related to a face, and more particularly to an eyeball in a face, using a detection and ranging system, such as a Radio Detection And Ranging (“RADAR”) system, or a Light Detection And Ranging (“LIDAR”) system. The position information may include a location of the eyeball, translational motion information related to the eyeball (e.g., displacement, velocity, acceleration, jerk, etc.), rotational motion information related to the eyeball (e.g., rotational displacement, rotational velocity, rotational acceleration, etc.) as the eyeball rotates within its socket.08-12-2010
20100045932Wireless scleral search coil including systems for measuring eye movement and methods related thereto - Featured is a wireless scleral search coil that includes one or more passive, resonant coils and in a particular embodiment two orthogonal, passive, resonant coils, where each coil resonates at a different frequency. Each resonant coil includes a coil-capacitor circuit, each circuit being configured to resonant at a different frequency. Such a wireless scleral search coil is disposed within a biocompatible material that is shaped to conform and rest upon the eye of a subject. Also featured are system including such a wireless scleral search coil, one or more transmitter coils, an assembly of one or more receiver coils and a calculating sub-system for processing signal data to obtain eye measurement information.02-25-2010
20130027665OPTICAL SYSTEM FOR FOLLOWING OCULAR MOVEMENTS AND ASSOCIATED SUPPORT DEVICE - An optical system (01-31-2013
20090040460Method and Device for Determining the Eye's Rotation Center - The invention relates to a device for determining the center of rotation of an eye of a person relative to a frame of reference associated with the person or with said person's eyeglasses, making it possible to determine the visual axis of the person along at least two non-parallel directions by viewing a target, and to define an optimum point of intersection of said axes as the center of rotation of the eye, at least two relative positions of said target and of the person's head being measured. In the invention, said target is constituted by a light source and is disposed at one end of a tubular support, with the other end being for disposing facing the person's eye, the support carrying a first position sensor, a second position sensor being for placing on the person's head.02-12-2009
20110063570SYSTEM AND APPARATUS FOR OBJECT BASED ATTENTION TRACKING IN A VIRTUAL ENVIRONMENT - A system and operational method that supplies visual stimuli to each subject in the form of a virtual environment in which at least the objects of interest have a three dimensional wire frame or mesh frame of a number of polygons that is surrounded with at least one skin or surface; wherein the visual stimuli is presented in a test session to the subject on a display device including an eye tracking sub-system that can effectively track the subject's gaze direction and focus on the display device throughout the test session; wherein unique colors are assigned to the mesh frame and/or an eye tracking skin of each object of interest whereby the system can evaluate the obtained eye tracking data and assign attention data to specific objects of interest resulting in object specific attention data.03-17-2011
20110292342PUPILLARY ASSESSMENT METHOD AND APPARATUS - A system and method for assessing the function of parts of the nervous system of a subject by measuring the pupillary responses to at least one stimulus ensemble comprising a plurality of individual stimuli; the method comprising: presenting a sequence of selected individual stimuli from the at least one stimulus ensemble to the nervous system of a subject thereby evoking pupillary responses in at least one pupil of the subject, selected individual stimuli being concurrently presented in the sequence, wherein the individual stimuli are each individually balanced such that the pupillary responses evoked by individual stimuli in the ensemble are balanced according to the strength of the neural responses evoked by the individual stimuli; detecting responses of the pupil or pupils evoked by the stimuli using a sensor; and processing the detected responses to relate them to the function of the subject's neural responses to some or all of the individual stimuli of the ensemble.12-01-2011
20110170064BINOCULAR PUPILLOMETERS - A binocular pupillometer apparatus is provided with processing means to calculate the relative afferent pupillary defect (RAPD) in a subject. The RAPD is calculated as the shift required to bring the two pupillary responses of the left and right eyes into coincidence. Where the responses are not parallel, modified pupillary responses are determined having the same area difference between the responses and an average rate of change with respect to stimulation intensity. The RAPD is calculated from the modified pupillary responses rather than the observed responses. Improvements to the pupillometer include a divider positioned between the left and right stimulating channels.07-14-2011
20110170067EYE-GAZE TRACKING DEVICE, EYE-GAZE TRACKING METHOD, ELECTRO-OCULOGRAPHY MEASURING DEVICE, WEARABLE CAMERA, HEAD-MOUNTED DISPLAY, ELECTRONIC EYEGLASSES, AND OPHTHALMOLOGICAL DIAGNOSIS DEVICE - An eye-gaze tracking device, which detects a gaze direction of a user based on an electro-oculogram, includes: a drift estimating unit which estimates drift noise included in a set of observation voltages among observation voltages that are electro-oculograms generated in a living body and observed at the plurality of electrodes, based on a component outside an electro-oculography subspace that is an assembly of sets of electro-oculograms theoretically observed at a plurality of electrodes; and an eye-gaze tracking unit which detects la the gaze direction of the user, based on a signal generated by removing, from the observation voltages, the drift noise estimated by the drift estimating unit.07-14-2011
20110170066NOISE REDUCTION DEVICE, ELECTRO-OCULOGRAPHY MEASURING DEVICE, OPHTHALMOLOGICAL DIAGNOSIS DEVICE, EYE-GAZE TRACKING DEVICE, WEARABLE CAMERA, HEAD-MOUNTED DISPLAY, ELECTRONIC EYEGLASSES, NOISE REDUCTION METHOD, AND RECORDING MEDIUM - A noise reduction device includes: a saccade information obtaining unit that obtains saccade information from an electro-oculography original signal that indicates an electro-oculogram resulting from an eye movement of a user, the saccade information relating to a saccadic movement which is a rapid eyeball movement; a control unit that determines a filter property for reducing noise included in the electro-oculography original signal, on the basis of the saccade information obtained by the saccade information obtaining unit; and a filtering unit that reduces the noise included in the electro-oculography original signal using the filter property determined by the control unit, to output an electro-oculography signal.07-14-2011
20110170065ELECTRO-OCULOGRAPHY MEASURING DEVICE, OPHTHALMOLOGICAL DIAGNOSIS DEVICE, EYE-GAZE TRACKING DEVICE, WEARABLE CAMERA, HEAD-MOUNTED DISPLAY, ELECTRONIC EYEGLASSES, ELECTRO-OCULOGRAPHY MEASURING METHOD, AND RECORDING MEDIUM - An electro-oculography measuring device includes: an electro-oculography measuring unit configured to measure an electro-oculography original signal; a view capturing unit configured to capture a view picture; a drift estimation processing unit configured to estimate a drift signal; and a subtractor which subtracts the drift signal from the electro-oculography original signal to output an electro-oculography signal, and the drift estimation processing unit includes: an electro-oculography change amount calculating unit configured to calculate an electro-oculography change amount; a motion vector estimating unit configured to estimate a motion vector of a moving object included in the view picture; a drift change amount estimating unit configured to estimate a drift change amount assuming that a change in a gaze direction follows a motion of the moving object; and a drift estimating unit configured to estimate the drift signal by adding the drift change amount to a past drift signal.07-14-2011
20100277693METHOD OF DETECTING NEUROLOGICAL DISEASE - A method and apparatus are provided for characterizing square wave jerks in the eye movements of a person, which may provide a powerful tool in the differential diagnosis of oculomotor and neurological disease. The method includes the steps of a) providing a sequence of saccades, b) identifying pairs of consecutive saccades of the sequence, c) determining whether each saccade of each identified pair is opposite the direction of the other saccade and, if not, then discarding the pair, d) determining whether a magnitude of each saccade of each identified pair is comparable and, if not, then discarding the pair, e) determining whether the pair of saccades of each identified pair are temporally related by a predetermined time period and, if not, then discarding the pair and f) collecting any remaining pairs of saccades as square wave jerks.11-04-2010
20080309874System and Apparatus for object based attention tracking in a virtual environment - A system and operational method that supplies visual stimuli to each subject in the form of a virtual environment in which at least the objects of interest have a three dimensional wire frame or mesh frame of a number of polygons that is surrounded with at least one skin or surface; wherein the visual stimuli is presented in a test session to the subject on a display device including an eye tracking sub-system that can effectively track the subject's gaze direction and focus on the display device throughout the test session; wherein unique colors are assigned to the mesh frame and/or an eye tracking skin of each object of interest whereby the system can evaluate the obtained eye tracking data and assign attention data to specific objects of interest resulting in object specific attention data.12-18-2008
20080309873Method and System for Correcting Aberrations of the Eye for an Ophthalmic Instrument - A method for correcting aberrations of the eye applied to an ophthalmic instrument operating with an analysis light beam, including: measurement of aberrations of the eye capable of interfering with the analysis beam, correction of the phase of the wave front of the analysis beam as a function of the measured values of the aberrations, measurement of eye movements carried out independently of the measurement of aberrations, and modification of the correction of the phase of the wave front of the analysis beam as a function of the measurement of eye movements.12-18-2008
20110007275EYE AND BODY MOVEMENT TRACKING FOR TESTING AND/OR TRAINING - The eye movement, body movement, and/or physiological performance of a subject may tracked while the subject performs a task, such as participating in an activity or sport. The collected data may then be used to identify correlations between the subject's eyesight and the subject's body movement exists and/or physiology. Such a correlation may be analyzed (e.g., over time) to determine any delays or gaps in the subject's ability to track an object, such as a ball, while participating in a sport or other activity. Further, a subject's performance may be compared to data collected from other individuals. The eye movement, body movement, and/or physiological performance data may be used to test and/or train the visual and cognitive abilities of an individual.01-13-2011
20130120712METHOD AND DEVICE FOR DETERMINING THE EYE POSITION - The invention relates to a method and device for determining eye position, wherein a light pattern is produced on the surface of an eye by means of a light source and an image of the light pattern produced on the eye is recorded by means of an image recording apparatus, wherein points of the transition region between the sclera and the iris of the eye are determined from the image of the light pattern by means of an image processing apparatus. The coordinates of the calculated points are calculated by triangulation or stereovision, and the position of the iris plane or a plane oriented parallel thereto is determined from said coordinates. The limbus of the eye and the center thereof can also be determined in three dimensions.05-16-2013
20120069301Sleepiness Signal Detector - A sleepiness sign detection apparatus, includes: a head movement detection unit configured to detect a head movement to generate a head movement data; an eye movement detection unit configured to detect an eye movement to generate an eye movement data; an ideal eye movement angular velocity calculation unit configured to calculate an ideal eye movement angular velocity based on the head movement data generated by the head movement detection unit; an eye-rotation angular velocity calculation unit configured to calculate an eye-rotation angular velocity based on the eye movement data generated by the eye movement detection unit; and a sleepiness sign detection unit configured to detect vestibule-ocular reflex (VOR) from the ideal eye movement angular velocity and the eye-rotation angular velocity, and determine a sign of sleepiness based on the vestibule-ocular reflex.03-22-2012
20090257026Ophthalmic Lens Element for Myopia Correction - An ophthalmic lens element (10-15-2009
20100039617Eye Movements As A Way To Determine Foci of Covert Attention - A method and apparatus are provided for identifying the covert foci of attention of a person when viewing an image or series of images. The method includes the steps of presenting the person with an image having a plurality of visual elements, measuring eye movements of the subject with respect to those images, and based upon the measured eye movements triangulating and determining the level of covert attentional interest that the person has in the various visual elements.02-18-2010
20100195051Testing Vision - A system for testing visual fields comprising a display for presenting a visual stimulus and an eye tracker for tracking movement of at least one of a patient's eyes to determine its position in three dimensions without requiring the patient to wear any tracking equipment. A computer controls the position of the stimulus on the display and causes it to move by an amount that is a function of the tracked three-dimensional position of the patient's eye and a visual field position that is to be tested. Changes to the position of the stimulus and any corresponding tracked eye movement are used to assess the patient's visual field. 08-05-2010
20130215390FITNESS FOR WORK TEST - A system for measuring fitness for duty which includes a) a visual stimulus display b) eye monitoring equipment for measuring eye and eyelid movements c) a central processing unit and data storage device to collect and store the data from the eye monitoring equipment d) a data analysis device programmed to calculate one or more of the measures of blink latency, measures of the relative velocity of upper eyelid closing and opening movements during blinks, the product of the amplitude to velocity ratio of eyelid closing and opening, the duration of blinks, the variability of eyelid movements during blinks, the failure to respond appropriately with a voluntary blink following each said brief visual stimulus e) said data analysis device programmed to place the values for said measures into an algorithm for measuring fitness for duty.08-22-2013
20110109879MULTIVARIATE DYNAMIC PROFILING SYSTEM AND METHODS - There provided herein a system for profiling a personal aspect of a subject, the system comprising a processor adapted to select at least one visual stimulus from a database comprising a multiplicity of visual stimuli and at least one evoking stimulus from a database comprising a multiplicity of evoking stimuli; and at least one sensor adapted to acquire at least one eye response of a subject to said visual stimulus; wherein said processor is further adapted to perform processing and analysis of said visual stimulus, said evoking stimulus and said eye response, for profiling at least one personal aspect of said subject.05-12-2011
20100238405DIAGNOSIS OF OPTICALLY IDENTIFIABLE OPHTHALMIC CONDITIONS - An apparatus for performing multiple procedures involving the eye. The apparatus includes a data collection apparatus and a data analysis module. The data collection apparatus for collecting a data set corresponding to at least a portion of an eye of a patient is configured to provide data indicative of at least two neurological disorders selected from the group consisting of glaucoma, macular degeneration, diabetic retinopathy, Parkinson's disease, Alzheimer's disease, dyslexia, multiple sclerosis, optic neuritis, LDS, head trauma, diabetes, and inappropriate responses to contrast sensitivity patterns. The data analysis module interrelates the data indicative of at least two neurological disorders to provide an interpretive result.09-23-2010
20100253909INDUCED HIGH ORDER ABERRATIONS CORRESPONDING TO GEOMETRICAL TRANSFORMATIONS - Wavefront measurements of eyes are typically taken when the pupil is in a first configuration in an evaluation context. The results can be represented by a set of basis function coefficients. Prescriptive treatments are often applied in a treatment context, which is different from the evaluation context. Hence, the patient pupil can be in a different, second configuration, during treatment. Systems and methods are provided for determining a transformed set of basis function coefficients, based on a difference between the first and second configurations, which can be used to establish the vision treatment.10-07-2010
20080284979System and Method for Illumination and Fixation with Ophthalmic Diagnostic Instruments - An eye measurement system may include a target that moves transverse to an optical path from the target to eye, so as to relax accommodation of the lens of the eye. The target may move transverse to the optical path on a display. The patient may be fogged while the target moves transverse to the optical path, and the target may become smaller such that the patient perceives the target to be moving away from the patient. A pupil camera may measure eye position that can be correlated with the position of the target on the display to determine that the patient has maintained fixation on the moving target. A visible measurement light beam may be pulsed subsequent to and/or during motion of the target that relaxes accommodation of the eye so as to avoid visual interference of the measurement light beam with the target on the display.11-20-2008
20110109878IMPLANTABLE SYSTEM FOR DETERMINING THE ACCOMMODATION REQUIREMENT BY OPTICAL MEASUREMENT OF THE PUPIL DIAMETER AND THE SURROUNDING LUMINANCE - The present invention relates to an implantable system for determining the accommodation requirement in an artificial accommodation system by optical measurement of the pupil diameter and the surrounding luminance, comprising 05-12-2011
20100134761ALERTNESS SENSING SPECTACLES - Spectacles for use in an eye monitoring system include a pair of ocular frames and a sensor unit adapted to be positioned adjacent an eye of the wearer. A nose bridge connects the ocular frames and incorporates an adjustment mechanism for adjusting the vertical position of the sensor unit relative to the eye. A frame arm extends from the outer edge of each ocular frame and is adapted to fit over the ear of a wearer. The sensor unit incorporates two infra red emitters at different angles and an infra red detector recessed into the surface of the unit to reduce the proportion of signal received by said detector which is not from the signal emitter reflected by the eye or eyelids.06-03-2010
20110043758APPARATUS FOR IRRADIATING BEAM AT USER'S EYE GAZE POINT AND OPERATION METHOD THEREOF - There is provided an apparatus for irradiating a beam at a user's eye gaze point and an operation method thereof. The apparatus includes an eye gaze point detecting part analyzing a movement of a user's pupils and detecting the user's eye gaze point, and a beam irradiation part irradiating a beam at the user's eye gaze point detected by the eye gaze point detecting part. The apparatus detects the user's current eye gaze point and irradiates the beam at the user's detected eye gaze point, thereby allowing for the performance of desired control with greater accuracy.02-24-2011
20100118267FINDING SEQUENTIAL MATCHES IN EYE TRACKING DATA - Embodiments of the invention provide systems and methods for analyzing eye tracking data. The eye tracking data can represent a number of different scanpaths and can be analyzed, for example, to find patterns or commonality between the scanpaths. According to one embodiment, a method of analyzing eye tracking data can comprise receiving the eye tracking data which can include a plurality of scanpaths, each scanpath representing a sequence of regions of interest on a stimulus image. A dotplot can be generated and can include each of the plurality of scanpaths. One or more patterns within the eye tracking data can be identified based on the dotplot.05-13-2010
20100039618SYSTEM AND METHOD FOR IDENTIFYING THE EXISTENCE AND POSITION OF TEXT IN VISUAL MEDIA CONTENT AND FOR DETERMINING A SUBJECT'S INTERACTIONS WITH THE TEXT - A reading meter system and method is provided for identifying the existence and position of text in visual media content (e.g., a document to be displayed (or being displayed) on a computer monitor or other display device) and determining if a subject has interacted with the text and/or the level of the subject's interaction with the text (e.g., whether the subject looked at the text, whether the subject read the text, whether the subject comprehended the text, whether the subject perceived and made sense of the text, and/or other levels of the subject's interaction with the text). The determination may, for example, be based on data generated from an eye tracking device. The reading meter system may be used alone and/or in connection with an emotional response tool (e.g., a software-based tool for determining the subject's emotional response to the text and/or other elements of the visual media content on which the text appears). If used together, the reading meter system and emotional response tool advantageously may both receive, and perform processing on, eye date generated from a common eye tracking device.02-18-2010
20110157552SS OCT INTERFEROMETRY FOR MEASURING A SAMPLE - An SS OCT interferometry device for measuring a sample, in particular from an eye. The device interferometrically generates a measuring signal and from the signal a depth-resolved contrast signal of the sample by spectral tuning of the central wavelength of the measurement radiation of a measuring signal, and has a control unit for this purpose. The device includes a sample motion detector, which provides a motion signal indicating movement of or in the sample, the control unit uses the motion signal to correct the measuring signal with respect to measuring errors that are caused by a movement of or in the sample before or during the generation of the depth-resolved contrast signal.06-30-2011
20100208205Eye-tracking method and system for screening human diseases - This invention provides methods, system, and apparatus for assessing and/or diagnosing a neurobehavioural disorder in a subject. The methods, systems, and apparatus include the subject freely observing a visual scene, without having to carry out a task or follow specific instructions. In one embodiment, a computational model is used to select one or more feature in a visual scene and generate a spatial map having first map values that are predictive of eye movement end points of a hypothetical observer relative to the one or more feature. A subject's eye movements are recorded while the subject freely observes the visual scene, and a difference between second map values that correspond to the subject's eye movement endpoints and a set of map values selected randomly from the first map values is quantified, wherein the difference is indicative of a neurobehavioural disorder in the subject. Neurobehavioural disorders such as Parkinson's disease, Alzheimer's disease, Huntington's disease, fetal alcohol spectrum disorder, attention deficit hyperactivity disorder, schizophrenia, autism, Tourette syndrome, and progressive supranuclear palsy may be assessed and/or diagnosed.08-19-2010
20120307207METHOD FOR DETERMINING DEVIATIONS BETWEEN COORDINATE SYSTEMS OF DIFFERENT TECHNICAL SYSTEMS - Method for determining deviations between coordinate systems of different technical systems, comprising the steps of determining a coordinate position of a reference feature of a test object in the coordinate system (u,v) of a first of the technical systems, the attachment of at least one test feature to the test object, with the test feature being attached in the coordinate system of a second of the technical systems at a coordinate position that is determined in dependence on the determined coordinate position of the reference feature, the determination of a coordinate position of at least one test feature and/or at least one feature derived from it in the coordinate system (u,v) of the first technical system, and determination of deviations between the coordinate systems of the first and second technical system, at least on the basis of: (a) the determined coordinate position of at least one test feature and/or of at least one feature derived from it in the coordinate system (u,v) of the first technical system and (b) the coordinate position of the reference feature in the coordinate system (u,v) of the first technical system.12-06-2012
20120062842INSTRUMENT FOR EYE EXAMINATION - The present invention relates to an instrument for eye (E) examination, the system including an imaging system (03-15-2012
20110085139EYE-TRACKING USING A GPU - Provided is a method of determining a gaze point of an eye watching a visual display controllable by a display signal. The method comprises generating a display signal using a graphics card in order for the visual display to produce a screen pattern; receiving a signal encoding an image of the eye including a corneo-scleral reflection of the screen pattern; and determining, based on in part the geometry of said reflection, a gaze point of the eye, wherein said determining a gaze point includes utilising the graphics card as a parallel processor.04-14-2011
20090015788Sight Line Detecting Method - In a sight line vector detecting system comprising: an infrared light source for illuminating either an eye or a face; a camera for photographing either the eye or the face; and a computer for processing photographed image data of said camera so as to calculate a sight line vector, the computer includes an image processing unit for detecting the true luminance point and the center of the pupil from the photographed image data; and a calculating unit for calculating the sight line vector; and the image processing unit performs such a processing operation that the image processing unit determines a luminance point capable of satisfying a predetermined requirement as the true luminance point among luminance points having the pupils at near places, calculates a center of the pupils, and further, calculates a center of a cornea ball.01-15-2009
20110001930PHASE MODULATION DEVICE FOR AN OPHTHALMIC INSTRUMENT, OPHTHALMIC INSTRUMENTS EQUIPPED WITH SUCH DEVICE, AND RELATED CALIBRATION METHOD - A phase modulation device implemented in an ophthalmic instrument using a main light beam interacting with an eye, the device including: an apparatus for modulating the phase of the wave front of the main light beam, a controller for controlling the phase modulation apparatus following a modulation instruction, and an analyzer for analyzing the thus-performed modulation of the phase of the wave front of the main light beam, further including emitting a secondary light beam, an apparatus for directing the secondary light beam along an optical path to the modulation apparatus, then to the analyzer, and in that the optical path does not pass through the eye, and in that the controller and the analyzer receiving the modulated secondary light beam cooperate, during a stage called a learning stage, to supply data regarding the response of the phase modulation apparatus to a set of predetermined modulation instructions.01-06-2011
20100290006METHOD AND DEVICE FOR ASSESSING THE FIELD OF VISION - The invention relates to a method for assessing the field of vision, wherein FDF stimuli are produced and detected by a person using the at least one eye to be examined. The invention is based on the object of providing a novel method and a device in order to efficiently assess the field of vision of a person and/or in order to recognize early signs of disease processes, which can lead to limitations in the field of vision. For this purpose, the invention provides that the production of the FDF stimuli is carried out by utilizing a computer-controlled system for the efficient determination of the vision and that the respective FDF stimulus is generated by utilizing an imaging device.11-18-2010
20120162603INFORMATION PROCESSING APPARATUS, METHOD, AND STORAGE MEDIUM STORING PROGRAM - A display unit 06-28-2012
20120133890DEVICE AND METHOD FOR DETERMINING THE VISUAL FIELD05-31-2012
20120092618Eye And Body Movement Tracking For Testing And/Or Training - The eye movement, body movement, and/or physiological performance of a subject may tracked while the subject performs a task, such as participating in an activity or sport. The collected data may then be used to identify correlations between the subject's eyesight and the subject's body movement exists and/or physiology. Such a correlation may be analyzed (e.g., over time) to determine any delays or gaps in the subject's ability to track an object, such as a ball, while participating in a sport or other activity. Further, a subject's performance may be compared to data collected from other individuals. The eye movement, body movement, and/or physiological performance data may be used to test and/or train the visual and cognitive abilities of an individual.04-19-2012
20130021578LEARNING-BASED VISUAL ATTENTION PREDICTION SYSTEM AND METHOD THEREOF - A learning-based visual attention prediction method is disclosed. The method includes a correlation relationship between the fixation density and at least one feature information being learned by training, followed by a test video sequence of test frames being received. Afterward, at least one tested feature map is generated for each test frame based on the feature information. Finally, the tested feature map is mapped into a saliency map, which indicates the fixation strength of the corresponding test frame, according to the correlation relationship.01-24-2013
20080252849Limbal-Based Eye Tracking - A method of determining and/or tracking the position of an eye, includes utilising at least two wavelength components of a plural wavelength zone that traverses the limbus of the eye to obtain a profile of whiteness and/or redness across the zone, and identifying from the profile at least one predetermined reference position that indicates the position of the eye. Apparatus for carrying out the method is also disclosed.10-16-2008
20130176533Structured Light for Eye-Tracking - Exemplary methods and systems help provide for tracking an eye. An exemplary method may involve: causing the projection of a pattern onto an eye, wherein the pattern comprises at least one line, and receiving data regarding deformation of the at least one line of the pattern. The method further includes correlating the data to iris, sclera, and pupil orientation to determine a position of the eye, and causing an item on a display to move in correlation with the eye position.07-11-2013
20130176534SYSTEM AND METHOD FOR EVALUATING OCULAR HEALTH - A method for adaptively determining a model of visual performance of a test subject comprising the step of exposing a test subject to a plurality of trials. Each trial comprises the steps of identifying the stimulus pattern to test, generating a stimulus pattern on a display, determining whether the stimulus pattern generated an OKR, updating the model to incorporate the OKR results, and determining whether the updated model is acceptable. The trials can be iteratively repeated until the model for visual performance is acceptable.07-11-2013
20080198331OCULAR WAVEFRONT-CORRECTION PROFILING - Providing multi-focal visual correction includes determining a plurality of visual conditions to which an eye is to be exposed, determining effects of the visual conditions on a pupil of the eye, and determining a target wavefront profile on the basis of the effects.08-21-2008
20080198330Pupillometers - Pupillometric apparatus for assessing pupillary near reflex in a subject incorporates a visible fixation point which is moveable between near and far positions and which is viewable through an eyepiece via an accomodation lens positioned between the eyepiece and the near position. The focal length of the accomodation lens exceeds the distance of the lens from both the near and far positions of the fixation point, so that the subject always observes virtual images in respect of the fixation point. In this way the distance between observed virtual positions of the fixation point at its near and far positions exceeds the actual distance between these positions.08-21-2008
20120019779SYSTEM AND METHOD FOR TESTING RETINAL FUNCTION - A method of measuring retinal or visual pathway function comprises stimulating optokinetic nystagmus by presenting a visual stimulus to a patient; modifying a first parameter of the visual stimulus; modifying a second parameter of the visual stimulus; and using the modified visual stimulus to determine a threshold stimulus for optokinetic nystagmus; wherein the first and second parameters are selected from a group of parameters comprising a pattern for the visual stimulus, a width of the visual stimulus, a distance between the visual stimulus and the patient, a spatial frequency of the visual stimulus, a rate of change or temporal frequency of the test face of the visual stimulus, and a contrast between elements of the visual stimulus.01-26-2012

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