Entries |
Document | Title | Date |
20080198330 | Pupillometers - 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 |
20080198331 | OCULAR 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 |
20080252849 | Limbal-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 |
20080284979 | System 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 |
20080309873 | Method 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 |
20080309874 | System 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 |
20090015788 | Sight 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 |
20090040460 | Method 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 |
20090257026 | Ophthalmic Lens Element for Myopia Correction - An ophthalmic lens element ( | 10-15-2009 |
20100039617 | Eye 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 |
20100039618 | SYSTEM 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 |
20100045932 | Wireless 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 |
20100118267 | FINDING 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 |
20100134761 | ALERTNESS 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 |
20100195051 | Testing 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 |
20100201945 | SYSTEM 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 |
20100208205 | Eye-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 |
20100238405 | DIAGNOSIS 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 |
20100253909 | INDUCED 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 |
20100277693 | METHOD 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 |
20100290006 | METHOD 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 |
20110001930 | PHASE 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 |
20110007275 | EYE 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 |
20110043758 | APPARATUS 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 |
20110063570 | SYSTEM 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 |
20110085139 | EYE-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 |
20110109878 | IMPLANTABLE 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 |
20110109879 | MULTIVARIATE 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 |
20110157552 | SS 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 |
20110170064 | BINOCULAR 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 |
20110170065 | ELECTRO-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 |
20110170066 | NOISE 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 |
20110170067 | EYE-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 |
20110292342 | PUPILLARY 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 |
20120019779 | SYSTEM 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 |
20120062842 | INSTRUMENT FOR EYE EXAMINATION - The present invention relates to an instrument for eye (E) examination, the system including an imaging system ( | 03-15-2012 |
20120069301 | Sleepiness 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 |
20120092618 | Eye 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 |
20120133890 | DEVICE AND METHOD FOR DETERMINING THE VISUAL FIELD | 05-31-2012 |
20120162603 | INFORMATION PROCESSING APPARATUS, METHOD, AND STORAGE MEDIUM STORING PROGRAM - A display unit | 06-28-2012 |
20120307207 | METHOD 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 |
20130021578 | LEARNING-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 |
20130027665 | OPTICAL SYSTEM FOR FOLLOWING OCULAR MOVEMENTS AND ASSOCIATED SUPPORT DEVICE - An optical system ( | 01-31-2013 |
20130044291 | VISUAL 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 |
20130120712 | METHOD 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 |
20130176533 | Structured 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 |
20130176534 | SYSTEM 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 |
20130215390 | FITNESS 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 |
20130222764 | VISION TESTING SYSTEM - A vision testing system comprises a image wavefront modulator, eye tracking system, focusing system using a spherical concave mirror, and a patient station. In various embodiments, the image wavefront modulator and the patient's eyes are positioned off axis with respect to the optical axis of the focusing mirror. Thus, optical elements in the wavefront modulator may automatically adjust to correct for aberrations introduced by the focusing system. Moreover, the optical elements may also be used to automatically correct for magnification errors introduced by movement of the patient within the patient testing station. Furthermore, the eye tracking system may be used to determine the errors introduced by movement of the patient eyes. Finally, the wavefront modulator may be used to produce an image on the patient's retina that accurately emulates an image that result if the patient was looking through a spectacle lens of a particular design during various gaze angles. | 08-29-2013 |
20130242262 | ENHANCED OPTICAL AND PERCEPTUAL DIGITAL EYEWEAR - Improved wearable optics is disclosed. The wearable optics comprises a frame member and a lens. The wearable optics also includes circuitry within the frame member for enhancing the use of the wearable optics. A system and method in accordance with the present invention is directed to a variety of ways to enhance the use of eyeglasses. They are: (1) media focals, that is, utilizing the wearable optics for its intended purpose and enhancing that use by using imaging techniques to improve the vision of the user; (2) telecommunications enhancements that allow the eyeglasses to be integrated with telecommunication devices such as cell phones or the like; and (3) entertainment enhancements that allow the wearable optics to be integrated with devices such as MP3 players, radios, or the like. | 09-19-2013 |
20130278899 | SYSTEM FOR THE PHYSIOLOGICAL EVALUATION OF BRAIN FUNCTION - The OculoKinetic Device is used to test an individual to evaluate brain functions and to identify the presence of a traumatic brain injury or disease which manifests itself through abnormal ocular responses to stimuli by using the high-speed tracking of an individual's eye movements, pupil size and reactivity, eye lid position and blink parameters and optionally along with other ocular elements, i.e., eyeball pressure, temperature, blood flow, etc. The eye movement stimulus protocol uses a target that moves in any direction of the two-dimensional plane and may use a color display or geometric shapes. In addition, the stimuli can be used in conjunction with cognitive testing, balance assessment, and other non-eye tests. | 10-24-2013 |
20130293844 | SYSTEMS AND METHODS FOR EVALUATING HUMAN EYE TRACKING - Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue. | 11-07-2013 |
20130308099 | Eye tracking headset and system for neuropsychological testing including the detection of brain damage - A universal headset-mounted Neuropsychological Testing System utilizes eye tracking, with a single screen fixed with respect to the face and a dot on the screen driven to present an object that both eyes are focused on using a set of prisms, with the prisms eliminating interocular distance considerations. Ultrathin optics cast a virtual image at 40 centimeters and a universal mask against which the test taker's face is placed fixes the single screen with respect to the face so that head movement is not a factor. Additionally, miniature cameras are located in the headset housing beneath the eyes, and a quick release tensioning unit provides easy headset mounting and removal. Moreover, all elements are located in the headset hood to eliminate the effects of head movement as well as environmental distractions. | 11-21-2013 |
20130321772 | Medical Diagnostic Gaze Tracker - A method to track a user's gaze for medical diagnostics is described. The method includes detecting a gaze behavior of a user in response to a stimulus. The stimulus is a non-diagnostic stimulus. The method also includes determining a type of the stimulus and generating an indication of the gaze behavior and the type of the stimulus. The indication may then be used to generate an expected gaze pattern describing expected gaze behavior to given stimuli. Additionally, the indication may be used to determine whether the gaze behavior is indicative of a potential problem and, in response, an alert may be generated. Apparatus and computer readable media are also described. | 12-05-2013 |
20140016097 | Device and Method for Detecting Ophtalmic and/or Brain Diseases - System for monitoring at least one biomechanical ophthalmic parameter, the system comprising a measuring device ( | 01-16-2014 |
20140085608 | SYSTEM AND METHOD FOR REAL TIME MONITORING AND DYNAMIC TREATMENT OF OCULOMOTOR CONDITIONS - Systems and methods are provided for monitoring eye movements of a user, and diagnosing and treating eye conditions substantially in real-time. A visual display device is provided with optical display fields corresponding to eyes of the user, and a controller linked to the device is programmed to measure eye positions with respect to the display device and determine optical deviations in any eye with respect to a central visual axis of the other (dominant) eye. In response to deviations exceeding a first value, an occlusion spot is generated in the display field for the dominant eye of a size corresponding to the degree of optical deviation. The location of the occlusion is continuously adjusted in accordance with real-time movements of the dominant eye based on the received signals from the device. When the optical deviation falls below a second value, occlusion of the dominant eye is disabled. | 03-27-2014 |
20140104575 | QUANTIFYING OCULAR COUNTER ROLL - This document provides methods and materials for quantifying ocular counter roll and detecting vestibular otolith damage. For example, devices for quantifying ocular counter roll, methods of making devices for quantifying ocular counter roll, and methods for using a device to quantify (e.g., quantify indirectly) ocular counter roll are provided. | 04-17-2014 |
20140160433 | Unobtrusive Active Eye Interrogation - Methods and systems for determining a physiological parameter of a subject through interrogation of an eye of the subject with an optical signal are described. Interrogation is performed unobtrusively. The physiological parameter is determined from a signal sensed from the eye of a subject when the eye of the subject is properly aligned with regard to an interrogation signal source and/or response signal sensor. | 06-12-2014 |
20140192325 | SYSTEMS AND METHODS FOR DETECTING BLINK INHIBITION AS A MARKER OF ENGAGEMENT AND PERCEIVED STIMULUS SALIENCE - The present systems and methods provide a mechanism to assess viewer behavior, features of stimuli, and the interaction between viewer behavior and stimuli. The systems and methods described herein for quantifying blink response and blink inhibition provide moment-by-moments measurements of viewer engagement by measuring what is or is not engaging enough to warrant viewers' inhibition of blinking. The present disclosure describes measures of visual scanning, eye movements, blink data, and blink timing data to derive a measure of how engaged a person is with what he or she is looking at. Blink-related data as a measure of viewer engagement provides a mechanism for determining the most engaging spatial and temporal aspects of a stimulus. | 07-10-2014 |
20140268054 | AUTOMATIC SCROLLING BASED ON GAZE DETECTION - Disclosed are various embodiments for automatic scrolling of content displayed on a display device in response to gaze detection. Content may be displayed in a window rendered on a display screen. Gaze detection components may be used to detect that a user is gazing at the displayed content and to determine a gaze point relative to the display screen. At least one applicable scroll zone relative to the display screen and a scroll action associated with each applicable scroll zone may be determined. In response to determining that the gaze point is within a first applicable scroll zone, an associated first scroll action may be initiated. The first scroll action causes the content to scroll within the window until at least one of: expiration of a defined period, determining that a portion of the content scrolls past a defined position within the window, determining that the gaze point is outside of the first scroll zone, and detecting an indicator that the user begins reading the content. | 09-18-2014 |
20140300867 | DEVICE FOR MONITORING POSITION AND MOVEMENTS OF AN EYE, PARTICULARLY SUITABLE FOR OCULAR RADIOTHERAPY - A device for non-invasive monitoring of an eye position and ocular movements of a patient having: a housing body ( | 10-09-2014 |
20140320817 | METHOD AND APPARATUS FOR VALIDATING TESTING PROCEDURES IN OBJECTIVE OPHTHALMIC EYE TESTING FOR EYE EVALUATION APPLICATIONS REQUIRING SUBJECT COMPLIANCE WITH EYE FIXATION TO A VISUAL TARGET - A method and associated apparatus for validating testing procedure in objective ophthalmic eye testing is implemented for eye evaluation applications requiring subject compliance with eye fixation to a visual target. The method comprises the steps of: supplying a predetermined visual fixation target to the subject in a predetermined location with an automated ophthalmic eye testing device, wherein the testing procedure of the eye evaluation application requires the subject to fixate upon the visual fixation stimulus; tracking the subject's gaze during at least the supplying of the predetermined visual fixation stimulus to the subject throughout the testing procedure of the eye evaluation application with a video based eye tracking system; and validating the testing procedure by at least one of i) indicating to the clinician when the subject's gaze location differs from the predetermined visual fixation stimulus by an amount greater than a predetermined threshold amount, and ii) having the automated ophthalmic eye testing device repeat at least portions of the testing procedures when the subject's gaze location differs from the predetermined visual fixation stimulus by an amount greater than a predetermined threshold amount. | 10-30-2014 |
20140327879 | HANDHELD TELEPHONY DEVICE FOR FIELD SOBRIETY TESTING - Various embodiments of a device for performing a gaze field sobriety test are disclosed. The device includes a housing. A light source is affixed in or on the housing. The light source generates light during at least a portion of the gaze field sobriety test. A speaker positioned in or on the housing generates sounds during at least a portion of the gaze field sobriety test. A power source is coupled to the speaker and the light source. An input is positioned on the housing. The input is selectable by a test administrator to initiate an audible sound through the speaker at a predetermined time interval during at least a portion of the gaze field sobriety test. The audible sound provides an indication to the test administrator during the gaze field sobriety test to assist in proper performance of the gaze field sobriety test. | 11-06-2014 |
20140327880 | QUANTITATIVE, NON-INVASIVE, CLINICAL DIAGNOSIS OF TRAUMATIC BRAIN INJURY USING VOG DEVICE FOR NEUROLOGIC OPTOKINETIC TESTING - A portable VOG device is disclosed that will facilitate the effective and efficient screening for TBI in military personnel in forward deployed military settings or remote locations using minimally trained staff. This includes the establishment of a protocol including optokinetic testing that will provide cost effective pre-screening of military personnel prior to deployment to establish a baseline of brain function prior to possible future injury. The efficiency of the device will promote subsequent follow-up screening to assess the effectiveness of prescribed TBI treatment. Further protocols for diagnosis and rehabilitation applications using the same device will allow more advanced usage for clinicians providing ongoing evaluation and treatment. | 11-06-2014 |
20140340639 | METHOD AND SYSTEM FOR DETERMINING THE RELATIVE GAZE-ATTRACTING POWER OF VISUAL STIMULI - An system and method for enabling an individual to pretest stimulus alternatives, by carrying out eye-tracking experiments on a subject with a digital camera, a personal computer and webcam, or a camera built into a laptop, tablet, smart phone, or other mobile device. The method of implementing the invention may be based on use of the internet for transmitting experimental stimuli, data, and/or results. The method enables the practitioner to determine which of two or more competing stimulus images, displayed at the same time, draws more spontaneous gaze direction from the subject during the first few moments of exposure. The method enables one to express the result as a ratio or other comparative index. | 11-20-2014 |
20140340640 | PARKINSON'S DISEASE SCREENING USING THE KING-DEVICK TEST - A method of screening for Parkinson's disease, may include administering to a person in need of such screening a King-Devick Test, determining whether the person has a “normal” or “abnormal” result for the King-Devick Test, and recommending the person undergo additional testing and/or treatment for Parkinson's disease if the result is “abnormal.” | 11-20-2014 |
20150015847 | CAPACITIVE EYE TRACKING SENSOR - An apparatus ( | 01-15-2015 |
20150029462 | SYSTEM AND METHOD FOR USING MICROSACCADE PEAK VELOCITY AS A MEASURE OF MENTAL WORKLOAD AND FATIGUE - A system and method for determining a subject's level of fatigue. The method includes measuring microsaccadic eye movement dynamics of the subject, calculating a current microsaccade peak velocity from the measured microsaccadic eye movement dynamics, and comparing the current microsaccade peak velocity to a baseline microsaccade peak velocity. The method further includes determining the level of fatigue based on a difference between the current microsaccade peak velocity and the baseline microsaccade peak velocity. | 01-29-2015 |
20150042953 | Measurement Method and System - Methods and systems for determining an individual gaze value are disclosed herein. An exemplary method involves: (a) receiving gaze data for a first wearable computing device, wherein the gaze data is indicative of a wearer-view associated with the first wearable computing device, and wherein the first wearable computing device is associated with a first user-account; (b) analyzing the gaze data from the first wearable computing device to detect one or more occurrences of one or more advertisement spaces in the gaze data; (c) based at least in part on the one or more detected advertisement-space occurrences, determining an individual gaze value for the first user-account; and (d) sending a gaze-value indication, wherein the gaze-value indication indicates the individual gaze value for the first user-account. | 02-12-2015 |
20150062533 | OPHTHALMIC LENS SYSTEM CAPABLE OF COMMUNICATION BETWEEN LENSES UTILIZING A SECONDARY EXTERNAL DEVICECE - The present invention comprises an ophthalmic lens system capable of wireless communication through utilization of an external device, wherein the ophthalmic lens system comprises a first ophthalmic lens on a first eye and a second ophthalmic lens on a second eye, wherein the lenses may be configured to wirelessly communicate with each other by transmitting and receiving data through an external device. More particularly, in some embodiments, the external device may comprise electronic components with more computational power and energization capabilities than the ophthalmic lenses. | 03-05-2015 |
20150062534 | BRAIN DYSFUNCTION TESTING - Systems and methods provided utilize gaze-tracking to measure quantitatively and accurately the ability of an athlete or other subject suspected of a concussion to maintain gaze within a figure-eight pattern during a given period of time. The fixation icon is presented at increasing velocities, with multiple staged velocities constituting the preferred embodiment. Utilizing a figure-eight pattern is preferred. Total tracking error time is tabulated during each velocity stage of the test protocol, and total tracking error time occurring during a given velocity stage is compared to a subject's baseline, e.g., a pre-season Individual Bioperformance Level (IBL) for that velocity stage. Systems and methods disclosed may be used to help prevent debilitating neurological damage in our athlete population, as well as having important military applications related to PTSD, and to other mission-critical performance endeavors. | 03-05-2015 |
20150070652 | UNOBTRUSIVE ACTIVE EYE INTERROGATION - Methods and systems for determining a physiological parameter of a subject through interrogation of an eye of the subject with an optical signal are described. Interrogation is performed unobtrusively. The physiological parameter is determined from a signal sensed from the eye of a subject when the eye of the subject is properly aligned with regard to an interrogation signal source and/or response signal sensor. | 03-12-2015 |
20150124220 | SYSTEMS AND METHODS FOR EVALUATING HUMAN EYE TRACKING - Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue. | 05-07-2015 |
20150289762 | APPARATUS FOR EYE TRACKING - An eye tracker having a waveguide for propagating illumination light towards an eye and propagating image light reflected from at least one surface of an eye, a light source optically coupled to the waveguide, and a detector optically coupled to the waveguide. Disposed in the waveguide is at least one grating lamina for deflecting the illumination light towards the eye along a first waveguide path and deflecting the image light towards the detector along a second waveguide path. | 10-15-2015 |
20150362749 | CAPACITIVE GAZE TRACKING FOR AUTO-ACCOMMODATION IN A CONTACT LENS - A method of capacitive gaze detection for accommodation includes monitoring at least one capacitance value of a capacitive sensor system disposed within a contact lens. The at least one capacitance value varies in response to changes in a gazing direction of a cornea upon which the contact lens is removeably mounted. The changes in the gazing direction of the cornea are detected in real-time based upon changes in the at least one capacitance value. An accommodation actuator disposed within the contact lens is manipulated to automatically change an optical power of the contact lens in response to detecting changes in the gazing direction. | 12-17-2015 |
20150362750 | CONTACT LENS WITH CAPACITIVE GAZE TRACKING - An eye-mountable device includes an enclosure material, a capacitive sensor system, and a controller. The enclosure material has a concave surface and a convex surface. The concave surface is configured to be removeably mounted over a cornea and the convex surface is configured to be compatible with eyelid motion when the concave surface is so mounted. The capacitive sensor system is disposed within the enclosure material. The capacitive sensor system has at least one capacitance value that varies with changes in a gazing direction of the cornea. The controller is disposed within the enclosure material and electrically connected to the capacitive sensor system. The controller is configured to measure the capacitance value of the capacitive sensor system to detect the changes in the gazing direction. | 12-17-2015 |
20150374236 | Vision Protection Method and System Thereof - The vision protection method and system thereof is provided to ensure a viewer to rest his/her eyes after viewing on an electronic device for a certain period, wherein the eyesight protection method includes the steps of detecting one of more working parameters of the viewer in responsive to a preset working threshold in a working mode of the electronic device during the viewer is working on a current work displaying by the electronic device; switching the working mode of the electronic device to a resting mode; and switching the electronic device from the resting mode back to the working mode to resume the display of the current work of the electronic device. Therefore, the viewer is enforced to rest his/her eyes after every certain period. | 12-31-2015 |
20160022135 | Method and Apparatus for Managing Blinking - A method and apparatus for managing blinking includes an electronic computing device detecting blinking of a user of the electronic computing device and determining an uninduced blink rate for the user from the detected blinking. The method also includes inducing the user to blink based on the uninduced blink rate. A further method and apparatus for managing blinking includes the electronic computing device presenting the user with a blink inducement of a plurality of blink inducements and determining whether the user blinked in response to presenting the blink inducement. The further method also includes presenting the blink inducement again based on the determination of whether the user blinked in response to presenting the blink inducement. | 01-28-2016 |
20160029883 | EYE TRACKING CALIBRATION - Method, system and apparatus for calibrating an eye tracker comprising presenting a subject with a visual target. Detemiining a physical arrangement in space of the subject. Obtaining an eye measurement of the subject. Storing a record of the subject's physical arrangement in space and data derived from the eye measurement of the subject, associated with the visual target presented to the subject. Repeating for one or more further different visual targets. | 02-04-2016 |
20160038069 | Eye Tracking Headset and System for Neuropsychological Testing Including the Detection of Brain Damage - A universal headset-mounted Neuropsychological Testing System utilizes eye tracking, with a single screen fixed with respect to the face and a dot on the screen driven to present an object that both eyes are focused on using a set of prisms, with the prisms eliminating interocular distance considerations. Ultrathin optics cast a virtual image at 40 centimeters and a universal mask against which the test taker's face is placed fixes the single screen with respect to the face so that head movement is not a factor. Additionally, miniature cameras are located in the headset housing beneath the eyes, and a quick release tensioning unit provides easy headset mounting and removal. Moreover, all elements are located in the headset hood to eliminate the effects of head movement as well as environmental distractions. | 02-11-2016 |
20160054568 | ENHANCED OPTICAL AND PERCEPTUAL DIGITAL EYEWEAR - Improved wearable optics is disclosed. The wearable optics comprises a frame member and a lens. The wearable optics also includes circuitry within the frame member for enhancing the use of the wearable optics. A system and method in accordance with the present invention is directed to a variety of ways to enhance the use of eyeglasses. They are: (1) media focals, that is, utilizing the wearable optics for its intended purpose and enhancing that use by using imaging techniques to improve the vision of the user; (2) telecommunications enhancements that allow the eyeglasses to be integrated with telecommunication devices such as cell phones or the like; and (3) entertainment enhancements that allow the wearable optics to be integrated with devices such as MP3 players, radios, or the like. | 02-25-2016 |
20160054569 | ENHANCED OPTICAL AND PERCEPTUAL DIGITAL EYEWEAR - Improved wearable optics is disclosed. The wearable optics comprises a frame member and a lens. The wearable optics also includes circuitry within the frame member for enhancing the use of the wearable optics. A system and method in accordance with the present invention is directed to a variety of ways to enhance the use of eyeglasses. They are: (1) media focals, that is, utilizing the wearable optics for its intended purpose and enhancing that use by using imaging techniques to improve the vision of the user; (2) telecommunications enhancements that allow the eyeglasses to be integrated with telecommunication devices such as cell phones or the like; and (3) entertainment enhancements that allow the wearable optics to be integrated with devices such as MP3 players, radios, or the like. | 02-25-2016 |
20160095511 | EYE GAZE DETECTING DEVICE AND EYE GAZE DETECTION METHOD - An eye gaze detecting device includes: a memory configured to store position information regarding a specific position where a specific object is located; and a processor coupled to the memory and configured to: identify an eye gaze position regarding the subject in an image for each of a plurality of images including the image, and calculate a correction value based on the position information and a plurality of eye gaze positions including the eye gaze position, the correction value causing the plurality of eye gaze positions to match the specific position. | 04-07-2016 |
20160095513 | DIRECTIONAL ILLUSIONS BASED ON MOTION PIXELS AND USES THEREOF - The present invention relates to a means for creating a visual illusion of directional movement based on stationary motion elements referred to as “motion pixels.” In various embodiments, methods for using the directional illusion are provided, such as 1) the measurement and/or assessment of visual performance in active and virtual reality environments, 2) the measurement and/or assessment of acuity, in conjunction with eye trackers so as to measure visual performance in nonverbal or potentially malingering observers, 3) the enhancement of advertising and marketing by drawing attention to a desired symbol, and 4) the enhancement of images so as to produce the appearance of motion in otherwise stationary images. | 04-07-2016 |
20160106358 | SYSTEM AND METHOD FOR DETECTING NEUROLOGICAL DISEASE - A system and method of detecting eye movements of a subject for the diagnosis of neurological disorders. The method includes tracking eye movements of the subject, identifying microsaccades from the tracked eye movements, and characterizing microsaccade dynamics of the identified microsaccades to determine one or more parameters, such as microsaccade direction, microsaccade velocity, microsaccade magnitude, microsaccadic peak velocity-magnitude relationship, microsaccade duration, and infersaccatic intervals. The method also includes comparing the one or more determined parameters with a corresponding control parameter, assessing the comparison to determine differences between the one or more determined parameters and the corresponding control parameters, and generating a report including the diagnosis of neurological disorder based on the assessment. | 04-21-2016 |
20160120403 | VISUAL FIELD CALCULATION APPARATUS AND METHOD FOR CALCULATING VISUAL FIELD - A visual field calculation apparatus capable of accurately calculating a visual field range of a user without using a complex configuration is provided. The visual field calculation apparatus includes a saccade detector that detects a saccade on the basis of a first gaze direction detected at a first timing and a second gaze direction detected at a second timing, a saccade speed calculator that calculates speed of the saccade on the basis of a time difference between the first timing and the second timing, the first gaze direction, and the second gaze direction, and a visual field range calculator that calculates a displacement vector of a saccade whose speed exceeds a first threshold, and calculates an area including a final point of the displacement vector as the visual field range of the user. | 05-05-2016 |
20160128568 | CORRECTING SYSTEMATIC CALIBRATION ERRORS IN EYE TRACKING DATA - Systems and methods are provided for post-hoc correction of calibration errors in eye tracking data, which take into consideration calibration errors that result from changes in user position during a user session in which the user's fixations on a display screen are captured and recorded by an eye tracking system, and which take into consideration errors that occur when the user looks away from a displayed target item before selecting the target item. | 05-12-2016 |
20160192873 | Methods and Systems for the Detection of Disease | 07-07-2016 |
20160198950 | SYSTEMS AND METHODS FOR EVALUATING HUMAN EYE TRACKING | 07-14-2016 |
20190142270 | SYSTEM AND METHOD FOR VISUAL FIELD TESTING | 05-16-2019 |