| Entries |
| Document | Title | Date |
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| 20080204657 | Device and Method for Detecting the Spatial Position of the Optical Axis of an Eye and for Centering a Reference System Relation to be Optical Axis - A method and a device for detecting the spatial position of the optical axis of the eye of a human or animal subject and for centering a reference system in relation to the optical axis are described, having at least one light source emitting a parallel light beam bundle, a positioning region for the subject provided opposite the light source, means for relative position orientation of the parallel light beam bundle in relation to the eye of the subject, and at least one detector unit for detecting reflection events caused in and on the eye by the parallel light beam bundle. The present invention generates control signals on the basis of the scattering and reflection events detected by the detector unit, by which the means for relative position orientation are activated, the control signals being generated in such a way that at least one reflection event and at least one scattered light event are to be brought into congruency in relation to the propagation direction of the parallel light beam bundle. | 08-28-2008 |
| 20080204658 | Fast Response Eye Tracking - An apparatus ( | 08-28-2008 |
| 20080231805 | Method and Circuit Arrangement for Recognising and Tracking Eyes of Several Observers in Real Time - The invention relates to a method and to a circuit arrangement for recognising and for tracking, in a contact-free manner, eye positions of several users in real time. The input data comprises a sequence of digital video frames. Said method comprises the following steps: combining a face-finder-instance which is used to examine faces, an eye-finder-instance which is used to examine eye areas, and an eye-tracker-instance which is used to recognise and track eye reference points. The aim of the invention is to convert the eye positions within a hierarchical outlet of the instance to the target, which successively restricts the dataset, which is to be processed, emerging from the dataset of the entire video frame (VF) in order to form a face target area (GZ) and subsequently an eye target area (AZ). Also, an instance or a group of instances, which run in a parallel manner, are carried out, respectively, on a calculating unit thereof. | 09-25-2008 |
| 20080246918 | Optical coherence tomography for eye-length measurement - An accurate measure of eye length can be obtained using concurrent OCT measurements. A position OCT device can be used to continually monitor the position of the front surface of the cornea, while a distance OCT device can determine the apparent distance between the front surface of the cornea and the front surface of the retina. Since the eye is likely to move during the period of time between measurements of the cornea and retina, the monitored position of the cornea can be used to correct the apparent length measurement by the amount of eye movement over that period of time, in order to obtain an accurate measure of eye length. In some embodiments a single OCT device can serve the dual role of monitoring eye position while making eye length measurements | 10-09-2008 |
| 20080252850 | Device and Method for the Contactless Determination of the Direction of Viewing - The invention is directed to a device and a method for the contactless determination of the actual gaze direction of the human eye. They are applied in examinations of eye movements, in psychophysiological examinations of attentiveness to the environment (e.g., cockpit design), in the design and marketing fields, e.g., advertising, and for determining ROIs (regions of interest) in two-dimensional and three-dimensional space. | 10-16-2008 |
| 20080259275 | EYE MOVEMENT MEASURING APPARATUS, EYE MOVEMENT MEASURING METHOD AND RECORDING MEDIUM - An eye movement measuring apparatus comprises: an image forming part configured to obtain data optically to form a fundus oculi image of an eye based on the obtained data; and an image analysis part configured to analyze the formed fundus oculi image to determine eye movement of the eye. | 10-23-2008 |
| 20080284980 | Eye Tracker Having an Extended Span of Operating Distances - The present invention relates to automatic registration and tracking of the eyes of at least one subject. An optical system, including a lens structure, a mask and an image sensor, receives incoming light from a scene containing the subject and directs at least a portion of this light towards the image sensor, which registers spatially distributed light and thus produces primary data. The mask is adapted to alter a basic optical transfer function of the lens structure and the image sensor into an enhanced optical transfer function, which is substantially less sensitive to variations of an unknown distance between the optical system and the subject than the basic optical transfer function. The processing unit is adapted to receive the primary data and process this data to produce resulting eye-tracking data representing a position estimate of the at least one eye and/or a gaze direction for the at least one eye. | 11-20-2008 |
| 20090002630 | Eye examination device by means of tomography with a sighting device - A sighting device for an examination by in vivo tomography of an eye of a subject including a viewer controlled by a control system for displaying at least one moving target where the at least one moving target has at least one of a programmable shape and a programmable trajectory, and is visible by the eye of the subject during the examination period to allow the subject to fixate and follow the target with their eye. | 01-01-2009 |
| 20090021695 | Display of Ocular Movement - Ocular movement of a subject is displayed in one or more windows of a user interface allowing a technician and/or clinician to observe the ocular movement such as to properly administer various tests for visual, vestibular, and neurological disorders as well as for diagnosing such disorders. When displaying the ocular movement, the video of the ocular movement being displayed may be panned to adjust the position of each eye within a display window as desired, such as to center the pupils and to provide a common horizontal location for both left and right pupils. Additionally, zooming in or out on the video of ocular movement may be provided to allow artifacts of the video stream to be effectively cropped from the display window and to allow the details of the ocular movement to be adequately visible. Furthermore, the display window size may be increased such that the details of the ocular movement are enlarged to allow the clinician and/or technician to better see those details even from a distance. | 01-22-2009 |
| 20090040461 | LOW VISION AID DEVICE - There is provided a low-vision aid device, including a scene-display imager producing a signal pattern composed of an array of pixels, a near IR illuminator for illuminating the retina of the eye with radiation for eye tracking, to be reflected from the retina of the eye, an eye-retina tracking imager, and an image transceiver device capable of providing both functions of eye imaging as well as image display by selectively rotating the polarization of individual pixels of the array of pixels of the signal pattern, to allow the transference of selected portions of the signal pattern to reach the retina of the eye. | 02-12-2009 |
| 20090079937 | Adaptive Photoscreening System - Briefly described, one embodiment of the system, among others, can be implemented as follows. The system includes a computer control system and an environmental light source that is controlled by the computer control system such that an amount of light provided by the environmental light source is adjusted by the computer control so that ocular parameters of an examinee are within a targeted range. Further, the system includes an irradiation system that provides multiple angle and axial eccentricity illuminations and selective wavelength irradiation based upon instructions received from the computer control system, wherein the computer control system instructs the irradiation system to provide different irradiation characteristics for different screening procedures. Also, the system includes an image detection system that captures ocular images of the examinee, wherein the computer control system analyzes captured images and provides results of in-situ analysis. Other systems and methods are also provided. | 03-26-2009 |
| 20090086165 | SYSTEM AND METHOD OF DETECTING EYE FIXATIONS USING ADAPTIVE THRESHOLDS - A system and method of adaptively establishing fixation thresholds for eye-gaze tracking data and identifying fixations within the eye-gaze tracking data are disclosed. Eye-gaze tracking data is collected. A saccade estimate may be calculated using a percentile statistic of the changes in eye-gaze position. Fixations may be determined by comparing the saccade estimates with the changes in eye-gaze positions over time windows. | 04-02-2009 |
| 20090109399 | Macular function tester - A device to carry out tests of the macula of a subject's eye to identify disease such as age related macular degeneration. The device includes a stimulus light source comprising a stimulus spheroidal chamber with a stimulus light located therein to emit light through an aperture in the stimulus spheroidal chamber into the eye of a subject. The stimulus light source may include a plurality of light emitting diodes of differing colors. A controller controls the intensity and the color of the light emitted through the aperture of the stimulus spheroidal chamber to the subject. There is also an adapting light source comprising a light contained within an adapting spheroidal chamber. The adapting light source provides a bright light that can be used to remove the subject's dark adaption. There is also an alignment detection system that verifies that the gaze of the subject is toward the stimulus light source. | 04-30-2009 |
| 20090109400 | GAZE DIRECTION MEASURING METHOD AND GAZE DIRECTION MEASURING DEVICE - A face horizontal direction measuring unit measures the angle of the face horizontal direction for a face image obtained by an imaging unit. By using information on the radius of the head and information on the shoulder position of the person obtained by the aforementioned measurement, a face vertical displacement measuring unit measures a face displacement in the vertical direction not affected by a head posture. According to the obtained displacement, the face angle in the vertical direction is decided. By using the obtained face direction, the angle of the gaze in the horizontal direction and the eyeball radius are measured. Further, a gaze vertical displacement measuring unit is provided for which measuring the pupil center position against the eyeball center position as the gaze displacement in the vertical direction. This displacement amount is used to measure the gaze angle in the vertical direction. | 04-30-2009 |
| 20090115965 | SYSTEM FOR ANALYZING EYE RESPONSES TO AUTOMATICALLY TRACK SIZE, LOCATION, AND MOVEMENT OF THE PUPIL - The present system for analyzing eye responses accurately and automatically tracks the size, location, and movement of a subject's pupil(s) in response to a predetermined test protocol. These eye responses include both ocularmotor and pupillary responses to illumination and target tracking for either eye or both eyes simultaneously. The series of digital image frames of a subject's eyes, taken during the execution of a predetermined stimulus protocol, are automatically processed to determine pupil location, size, and responsiveness to changes in illumination. | 05-07-2009 |
| 20090115966 | SYSTEM FOR ANALYZING EYE RESPONSES TO AUTOMATICALLY DETERMINE IMPAIRMENT OF A SUBJECT - The impairment determination system automatically determines impairment of a subject based on pupil movement, as well as pupil responses to illumination and target tracking for either eye or both eyes simultaneously. The impairment determination system automatically processes a series of digital image frames, taken during the execution of a predetermined test protocol, to determine pupil location, size, and responsiveness to changes in illumination, which data are used by the impairment determination system to determine impairment of the subject. The present impairment determination system uses a method for quickly and accurately localizing the subject's pupils, as well as their boundaries, area, and center coordinates, which data is used as part of the impairment determination process. | 05-07-2009 |
| 20090153800 | Light Sensitivity Meter and Uses Thereof - A text apparatus for measuring the degree of light-sensitivity of a subject, such as a subject with cataracts or migraines. The apparatus comprises a viewing shroud for positioning at least one eye of the subject in a testing position and an illumination source adapted for emitting visible light toward the at least one eye of the subject. The apparatus includes a visual monitor adapted for monitoring the fixation of the at least one eye during testing. A method of the invention exposes at least one eye of a subject to light and either subjects the eye to a continuous, level light intensity or increases the intensity of the light continuously over time. The intensity of the light when the subject experiences discomfort can be recorded. Pulse width modulation can modulate the intensity of the illumination source (e.g., an LED) over time. | 06-18-2009 |
| 20090174864 | SYSTEM AND METHOD FOR TRACKING EYE MOVEMENT - A system for tracking eye movement is disclosed. A first light source, emitting light including a first wavelength, is adapted to illuminate corneal tissue of an eye. The first wavelength is selected such that it is strongly absorbed by corneal tissue. A position sensitive detector is adapted to detect a reflection of light at the first wavelength off the corneal tissue. Signal may be generated in response to the detected reflection which are representative of the position of the reflection, and therefore the position of the corneal tissue, with respect to the position sensitive detector. | 07-09-2009 |
| 20090219484 | VIEW POINT DETECTING DEVICE - A gaze point detecting device | 09-03-2009 |
| 20100045933 | Device and method for determining the orientation of an eye - In a device or a method for determining the direction of vision of an eye, a starting point or a final point of a light beam reflected by a part of the eye and detected by a detector system, or of a light beam projected by a projection system onto or into the eye two-dimensionally, describes a pattern of a scanning movement in the eye. The inventive method uses a displacement device that guides the center of the pattern of movement into the pupil or macula center of the eye, and a determination device that uses the pattern of movement of the scanning movement to determine the pupil center or macula center. | 02-25-2010 |
| 20100053555 | METHOD AND APPARATUS FOR TRACKING EYE MOVEMENT - An eye tracking apparatus includes a first image detector for capturing scene images, a second image detector fixed relative to the first image detector for capturing eye images including a pupil of a person and a reference object located within an image detection field, a processor for receiving the scene images and the eye images and outputting eye tracking images, each of the eye tracking images including a gaze point corresponding to a line of sight of the person, the processor for determining a location of the gaze point based on a calibration mapping that maps pupil location within the image detection field to the scene images and a correction mapping that corrects for movement of the reference object within the image detection field of the second image detector. Wherein the first image detector and the second image detector are coupled to a wearable accessory and movement of the reference object within the image detection field corresponds to movement of the wearable accessory relative to the person. | 03-04-2010 |
| 20100066975 | EYE TRACKING ILLUMINATION - The invention relates to automatic eye tracking, wherein at least one imaging device ( | 03-18-2010 |
| 20100103375 | EYE-TRACKING METHOD AND SYSTEM FOR IMPLEMENTING THE SAME - An eye-tracking method includes acquiring an image of an eye of a user, identifying a pupil of and a reflected light spot on the eye from the acquired image, determining a distance of the reflected light spot from a reference point on the pupil and an angle of the reflected light spot from an axis passing through the reference point on the pupil, determining a gazing point based on the distance and the angle and a pre-established set of data, and performing an operation associated with the gazing point. A system for implementing the eye-tracking method is also disclosed. | 04-29-2010 |
| 20100128222 | METHOD FOR VISUAL FIELD TESTING - A method of ocular testing is provided using a testing apparatus having a display ( | 05-27-2010 |
| 20100149491 | PUPIL POSITION ACQUISITION SYSTEM, METHOD THEREFOR, AND DEVICE CONTAINING COMPUTER SOFTWARE - A system and pupil position acquisition method and a device containing computer software for executing the same are provided. The system includes a shooting module, a scanning module, a signal transformation module, and a signal analysis module. The shooting module shoots an eyeball image using an image shooting device, such as a charge-coupled device (CCD) camera. The scanning module scans the eyeball image to acquire an eyeball signal. The signal transformation module performs a wavelet transform on the eyeball signal. The signal analysis module analyzes the eyeball signal after the wavelet transform to acquire a signal interval, and analyzes and acquires a position of a pupil with respect to the eyeball image according to the signal interval. | 06-17-2010 |
| 20100208206 | LATERAL GAZE ANGLE ESTIMATION USING RELATIVE EYE SEPARATION - This invention provides for the automatic determination of a human's gaze angle. The gaze angle is assumed to be the same as the head angle (i.e., eyes looking straight ahead). It is determined by comparing the observed eye separation relative to a maximal eye separation. The gaze angle is then determined to be the inverse cosine, or arc cosine, of the ratio of these two measurements. | 08-19-2010 |
| 20100208207 | AUTOMATIC DIRECT GAZE DETECTION BASED ON PUPIL SYMMETRY - The present invention provides a system and methods for direct gaze detection based on pupil symmetry. The system and methods work by first finding the user's eyes in a video camera image and measuring the symmetry of the pupil region. If this pupil region is close to round, the invention determines that the user is looking nearly directly or close to directly at the camera, or has direct gaze at the camera. This technique handles both eye motions and head motions (e.g., the gaze may shift with or without the head being turned). | 08-19-2010 |
| 20100220290 | Apparatus and Method for Recognizing a Person's Gaze - An apparatus and a method for recognizing a person's gaze are disclosed, where the apparatus includes a main body, an eye-movement detector, a data generator and a transmitter, where the main body has the specific area. The eye-movement detector can detect whether a gaze is fixed on the specific area. The data generator can generate gaze data when the gaze is fixed on the specific area. The transmitter can transmit the gaze data to terminal equipment, so that the terminal equipment can receive information that the gaze is fixed on the specific area based on the gaze data, so that the terminal equipment can provide a prompt based on the gaze data. | 09-02-2010 |
| 20100220291 | WEARABLE EYE TRACKING SYSTEM - An eye tracking system includes a transparent lens, at least one light source, and a plurality of light detectors. The transparent lens is adapted for disposal adjacent an eye. The at least one light source is disposed within the transparent lens and is configured to emit light toward the eye. The at least one light source is transparent to visible light. The plurality of light detectors is disposed within the transparent lens and is configured to receive light that is emitted from the at least one light source and is reflected off of the eye. Each of the light detectors is transparent to visible light and is configured, upon receipt of light that is reflected off of the eye, to supply an output signal. | 09-02-2010 |
| 20100245767 | EYE-TRACKING METHOD AND EYE-TRACKING SYSTEM FOR IMPLEMENTING THE SAME - An eye-tracking method includes: acquiring an image of an eye of a user captured by an image-capturing module while the user is gazing at a gazing location on a screen module and a pair of light sources emit light toward the eye of the user; determining an angle and an area based on positions of a pupil and two reflected light spots on the eye of the user, wherein the angle and the area correspond to the gazing location; determining coordinates on the screen module based on the angle and the area, wherein the coordinates correspond to the gazing location; and performing an operation associated with the coordinates. An eye-tracking system for implementing the eye-tracking method is also disclosed. A correcting method and a correcting module for the eye-tracking system are further disclosed. | 09-30-2010 |
| 20100283972 | Saccadic Motion Detection System - A saccadic motion detection system comprised of an optical system that focuses light reflected or emitted from the subject's eye onto an optical navigation chip, which connects to circuitry configured to convert analog light from the eye to digital representations motion of the eye, including saccadic eye movement and processes the information received thereby. | 11-11-2010 |
| 20100309432 | EYEBALL MOTION MEASUREMENT APPARATUS - An eye movement measurement apparatus | 12-09-2010 |
| 20110043759 | METHOD AND SYSTEM FOR DETERMINING FAMILIARITY WITH STIMULI - The present invention comprises a system and method for determining the familiarity of a subject with a given stimulus. The method is based on tracking eye movements of the subject when they are presented with these stimuli, for example by use of an eye-tracking camera adapted for this purpose. Differences in familiarity with a given stimulus will evoke different responses in subjects eye movements, and these differences are analyzed by a classification algorithm in order to determine familiarity with a given stimulus or lack thereof. | 02-24-2011 |
| 20110069277 | VISUAL DISPLAY WITH ILLUMINATORS FOR GAZE TRACKING - A visual display characterized by hidden reference illuminators is adapted to emit invisible light for generating corneo-scleral reflections on an eye watching a screen surface of the display. The tracking of such reflections and the pupil center provides input for gaze tracking. A method for equipping and an LCD with a reference illuminator are also provided. A system and method for determining a gaze point of an eye watching a visual display comprising reference illuminators are further provided. The determination of the gaze point may be based on an ellipsoidal cornea model. | 03-24-2011 |
| 20110109880 | Eye Tracker Device - Two collimated light beams are directed towards an eye to provide two reflection spots. The collimated light beams are advantageously provided by a diffractive beam expander. The reflection spots and the pupil of the eye are monitored by an imaging unit. The collimated beams are at different angles with respect to the imaging unit. The gaze direction is determined based on the angles, the positions of the reflections spots, and the position of the pupil. Thanks to the use of the two collimated beams, the detected gaze direction is substantially independent of the size of the eye, independent of the lateral position of the eye, and independent of the distance between the imaging unit and the eye. The detected gaze angle may be used for selecting between options displayed by a virtual display. | 05-12-2011 |
| 20110116045 | APPARATUS AND METHOD FOR IMAGING OPTICAL COHERENCE TOMOGRAPHIC IMAGE - An ophthalmic imaging apparatus for imaging a subject's eye includes a detection unit configured to detect facts that the subject's eye moves by an amount of movement thereof, which is equal to or more than a predetermined value, and that the movement thereof is finished, and an imaging start unit configured to start imaging of the subject's eye according to a result of detection by the detection unit. | 05-19-2011 |
| 20110157553 | SURGICAL MICROSCOPY SYSTEM AND METHOD FOR PERFORMING EYE SURGERY - A surgical microscopy system comprises microscopy optics for generating an image of an eye under surgery. A pattern generator generates a pattern to be superimposed with the image. An eye-tracker is provided for tracking a position of the superimposed pattern with respect to the image in case of a movement of the eye. The superimposed pattern comprises pattern elements that are equally distributed on first and second circles of different sizes, in order to give assistance when placing a suture during a corneal transplant. The superimposed pattern may also provide an assistance for orientating a toric intra-ocular lens. | 06-30-2011 |
| 20120057129 | EYE TRACKING APPARATUS - An eye tracking apparatus for monitoring the movement of a user's eye, the apparatus including: a display for displaying an image; an eye imaging sensor for monitoring the user's eye and for providing an output indicative of the user's point of regard in the user's field of vision; an optical combiner arranged, in use, in optical communication with the display, the eye imaging sensor and the user's eye: said optical combiner arranged to receive the displayed image from the display, to project said image into the user's field of vision, to receive electromagnetic radiation reflected from the user's eye and to pass said reflected radiation to the eye imaging sensor; wherein the optical combiner is adapted to substantially correct for aberrations in the reflected radiation introduced therein by the optical combiner. | 03-08-2012 |
| 20120081666 | METHOD AND APPARATUS FOR CORRECTIVE SECONDARY SACCADES ANALYSIS WITH VIDEO OCULOGRAPHY SYSTEM - A video oculography system for calculation and display of Corrective Secondary Saccades Analysis is disclosed. A method for Objective Diagnostics of at least one of traumatic brain injury, Internuclear Opthalmopligia, Ocular Lateral Pulsion, Progressive Supernuclear Palsy And Glissades comprises the steps of using a VOG system to calculate corrective saccades. The video oculography based system for the subject is configured to collect eye images of the patient in excess of 60 hz and configured to resolve eye movements smaller than at least 3 degrees of motion. The video oculography based system collects eye movement data wherein at least one fixation target is presented to the subject in a defined position configured to yield a voluntary saccadic eye response from at least one eye of the patient. The latency, amplitude, accuracy and velocity of each respective corrective saccade and totals latency and accuracy is calculated. | 04-05-2012 |
| 20120105802 | AUTOMATIC ACCOMMODATIVE SPECTACLES USING SENSORS AND FOCUSING ELEMENTS - A pair of spectacles that can automatically change its power so that a fixation region of interest (ROI) of the user is always in focus. The automatic accommodative spectacle device includes focusing elements, sensors, line of sight detector, focus engine, focusing element controller, and power supply. The line of sight detector determines the line of sight for the left and right eyes of the user using data from the sensors. The focus engine uses the lines of sight for left and right eyes to determine the user's fixation ROI. The fixation ROI is used to determine powers for the focusing elements in order to bring the fixation ROI into focus. The focusing element controller carries out the needed optical power adjustment to apply to the focusing elements. Optional light sources may be provided. | 05-03-2012 |
| 20120127429 | EYE POSITION REGISTERING AND TRACKING - Embodiments of the invention refer to a system for registering and tracking the position of a person's eye, in particular for refractive ophthalmic surgery. According to embodiments, the system is structured such that eye images containing at least the iris and the pupil of the eye are made at a first wavelength of light and that eye images containing scleral blood vessels are made at a different second wavelength of light. The invention furthermore refers to a corresponding method for registering and tracking the position of a person's eye. | 05-24-2012 |
| 20120127430 | System And Method For Objective Chromatic Perimetry Analysis Using Pupillometer - The present invention relates to a system, device and a method for objective visual field testing and in particular, to such a system and method in which provides objective chromatic perimetry test or color vision test using a pupillometer. | 05-24-2012 |
| 20120133891 | SYSTEMS, METHODS AND APPARATUS FOR MAKING AND USING EYEGLASSES WITH ADAPTIVE LENS DRIVEN BY GAZE DISTANCE AND LOW POWER GAZE TRACKING - Described is an electro-optical apparatus and method for correcting myopia that includes at least one adaptive lens, a power source, and an eye tracker. The eye tracker includes an image sensor and a processor operatively connected to the adaptive lens and the image sensor. The processor is configured to receive electrical signals from the image sensor and to control the correction power of the adaptive lens to correct myopia, with the correction power dependent on a user's gaze distance and myopia prescription strength. A lower-power-consumption method of eye glint tracking is further described. | 05-31-2012 |
| 20120133892 | System for At-Home Eye Movement Monitoring - An apparatus for monitoring eye movement in a patient, includes a frame structured to be worn on the head of the patient. An infrared illumination device structured to illuminate an eye of the patient is supported by the frame. A camera structured to capture images of the eye when illuminated by the infrared illumination device is also supported by the frame. A number of sensors structured to generate data relating to one or more characteristics of the user or environment is further supported by the frame. The apparatus also includes a data storage device associated with the frame for recording the images and the data relating to one or more characteristics of the user or environment along with time information associated therewith. The apparatus is structured to generally not obstruct the patient's view of their surroundings. | 05-31-2012 |
| 20120147328 | 3D GAZE TRACKER - An embodiment of the invention provides a gaze tracker for determining a gaze vector for a person, which comprises a 3D camera that and a picture camera that image the person and a controller that processes images acquired by the cameras to determine a gaze direction and origin for the gaze vector. | 06-14-2012 |
| 20120224143 | 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. | 09-06-2012 |
| 20120242956 | System and Methods for Mitigating Changes in Pupil Size During Laser Refractive Surgery to Maintain Ablation Centration - Devices, systems, and methods perform diagnostic and/or treatment procedures on an eye using a pupilometer to determine a change in pupil size, a processor and a variable illumination source. In response to a change in pupil size as determined by the pupilometer, the processor may determine an optical light output sufficient to induce a pupillary response and mitigate the change in pupil size. The system directs the desired optical light output to the eye with the variable illumination source optionally to prevent the pupil size from exceeding certain limits so as to improve torsional tracking of markers of the eye. | 09-27-2012 |
| 20120249964 | NEUROCHROMATIC PRESCRIPTION DETERMINATION - A method for determining a lens prescription for the eye. The method includes selecting a first ultraviolet (UV) trial lens and a second UV trial lens and determining whether the first UV trial lens or the second UV trial lens results in greater improvement in visual function. The second UV trial lens may be selected for the prescription when the second UV trial lens results in greater improvement in visual function as compared to the first UV trial lens. The method includes selecting a first color group comprising a first color trial lens and a second color trial lens and determining whether the first color trial lens or the second color trial lens results in greater improvement in visual function. The second color trial lens may be selected for the prescription when the second color trial lens results in greater improvement in visual function than the first color trial lens. | 10-04-2012 |
| 20120293772 | Instrument for examining or machining a human eye - An instrument is proposed for examining or machining a human eye, with an eye-tracker for acquiring eye movements and for outputting a signal that is representative of the acquired eye movements, the eye-tracker including an interferometric image-acquisition device that has been set up for time-resolved acquisition of sectional images of the eye and that operates on the basis of two-dimensional or three-dimensional optical coherence tomography, and also an evaluating module ascertaining the eye movements solely from the sectional images. | 11-22-2012 |
| 20120293773 | SYSTEMS AND METHODS FOR MEASURING REACTIONS OF HEAD, EYES, EYELIDS AND PUPILS - Systems and methods are provided to measure reaction times and/or responses for head, eye, eyelid movements, and/or changes in pupil geometry. The system includes eyewear or headwear including one or more eye-tracking cameras for monitoring the position and geometry of at least one eye and its components of the user, one or more scene cameras for monitoring the user's surroundings, and one or more processors to determine reaction times. Optionally, the system may include one or more of a multi-axis accelerometer to monitor head movements, light sources to trigger visual evoked responses, and/or electronic inputs that may be used to indicate the time of occurrence of external reference events. Measured reaction times and other measurements may be monitored for use in a range of applications. Responses and reaction times may be measured continuously over extended periods, even over a lifetime to measure consequences of the aging process. | 11-22-2012 |
| 20120307208 | APPARATUS AND METHOD FOR EYE TRACKING - A system is provided to determine the gaze of a user. The disclosed system uses an array of light detectors, each located proximate to a light emitter. Light from the light emitters enters the eye and is partially reflected in by the retina. Light returning from the eye is detected by the light detectors and used to determine the gaze of the user. | 12-06-2012 |
| 20130057829 | Handheld Computing Device for Administering a Gaze Nystagmus Test - 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. | 03-07-2013 |
| 20130077049 | INTEGRATED EYE TRACKING AND DISPLAY SYSTEM - Technology is provided for an integrated eye tracking and display system for a see-through, near-eye, mixed reality display device. Image data and IR illumination for eye tracking are optically coupled into a respective see-through, planar waveguide positioned to be seen through by each eye in a respective display optical system of the display device. The respective planar waveguide comprises one or more wavelength selective filters positioned to be co-axial with an optical axis of the respective display optical system. The wavelength selective filters direct IR and visible illumination out of the planar waveguide in the direction of the respective eye and direct IR reflections, including reflections from the eye, into the planar waveguide. The reflections are optically coupled out of the waveguide to an IR sensor which generates eye tracking data based on the reflections. | 03-28-2013 |
| 20130077050 | NEUROCHROMATIC PRESCRIPTION DETERMINATION - A method for determining a lens prescription for the eye. The method includes selecting a first ultraviolet (UV) trial lens and determining whether the first UV trial lens results in improvement in visual function. The first UV trial lens may be selected for the lens prescription when the first UV trial lens results in improvement in visual function. The method includes selecting a first color group comprising a first color trial lens and a second color trial lens and determining whether the first color trial lens or the second color trial lens results in greater improvement in visual function. The second color trial lens may be selected for the prescription when the second color trial lens results in greater improvement in visual function as compared to the first color trial lens. The method may include reevaluating the first UV trial lens for improvement in visual function when not previously selected. | 03-28-2013 |
| 20130107214 | Adaptive Camera And Illuminator Eyetracker | 05-02-2013 |
| 20130114043 | SEE-THROUGH DISPLAY BRIGHTNESS CONTROL - The technology provides various embodiments for controlling brightness of a see-through, near-eye mixed display device based on light intensity of what the user is gazing at. The opacity of the display can be altered, such that external light is reduced if the wearer is looking at a bright object. The wearer's pupil size may be determined and used to adjust the brightness used to display images, as well as the opacity of the display. A suitable balance between opacity and brightness used to display images may be determined that allows real and virtual objects to be seen clearly, while not causing damage or discomfort to the wearer's eyes. | 05-09-2013 |
| 20130235347 | System and Method for Interacting with and Analyzing Media on a Display Using Eye Gaze Tracking - A system and method are provided that use eye gaze as a pointing or selection tool, which enables hands-free operation of a display such as a television. wherein the use of eye gaze as an input can also lead to easier and faster interactions when compared to traditional remote controls. A system and method are also provided that use eye tracking on displays such as televisions to determine what content was viewed and, by association, what content was of most interest to the user. Systems and methods are also described that enable interaction with elements displayed in an augmented reality environment using gaze tracking and for controlling gaze tracking on a portable electronic device. | 09-12-2013 |
| 20130250244 | Device to Measure Pupillary Light Reflex In Infants and Toddlers - The present disclosure provides a pupillary light reflex (PLR) system, wherein the PLR system includes a remote tracking and imaging system that is structured and operable to generate and acquire high resolution pupil stimulus and response data from a test subject while the test subject is moving and is disposed a distance from remote tracking and imaging system that is greater than or equal to one-third of a meter. The PLR system additionally includes a computer based system controller that is structure and operable to execute PLR software to control the operation of the remote tracking and imaging system and compute PLR information based on the pupil stimulus and response data acquired as the test subject is moving. | 09-26-2013 |
| 20130258287 | BLINK DETECTION SYSTEM FOR ELECTRONIC OPHTHALMIC LENS - A blink detection algorithm and associated circuitry for an ophthalmic lens comprising an electronic system is described herein. The blink detection algorithm is implemented in the system controller which is part of an electronic system incorporated into the ophthalmic lens. The electronic system includes one or more batteries or other power sources, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and lens driver circuitry. The blink detection algorithm implements the steps of sampling, at a predetermined rate, light incident on an eye of an individual and at least temporarily saving collected samples, determining when an eyelid is open or closed in order to divine the number, time period and pulse width of the blinks from the collected samples, calculating a number of blinks and the duration of the blinks in a given time period, and comparing the number of blinks, the durations of the blinks in the given time period, and the time between blinks in the given time period to a stored set of samples to determine patterns in blinking. | 10-03-2013 |
| 20140002797 | METHOD FOR FIELD SOBRIETY TESTING USING A HANDHELD COMPUTING DEVICE | 01-02-2014 |
| 20140002798 | HANDHELD TELEPHONY DEVICE FOR FIELD SOBRIETY TESTING | 01-02-2014 |
| 20140049750 | EYE POSITION REGISTERING AND TRACKING - Embodiments of the invention refer to a system for registering and tracking the position of a person's eye, in particular for refractive ophthalmic surgery. According to embodiments, the system is structured such that eye images containing at least the iris and the pupil of the eye are made at a first wavelength of light and that eye images containing scleral blood vessels are made at a different second wavelength of light. The invention furthermore refers to a corresponding method for registering and tracking the position of a person's eye. | 02-20-2014 |
| 20140063461 | Device to Measure Pupillary Light Reflex In Infants and Toddlers - The present disclosure provides a pupillary light reflex (PLR) system, wherein the PLR system includes a remote tracking and imaging system that is structured and operable to generate and acquire high resolution pupil stimulus and response data from a test subject while the test subject is moving and is disposed a distance from remote tracking and imaging system that is greater than or equal to one-third of a meter. The PLR system additionally includes a computer based system controller that is structure and operable to execute PLR software to control the operation of the remote tracking and imaging system and compute PLR information based on the pupil stimulus and response data acquired as the test subject is moving. | 03-06-2014 |
| 20140071400 | COMPACT EYE IMAGING AND EYE TRACKING APPARATUS - An optical system for eye tracking is disclosed. The system includes a light guiding prism that guides light from an ocular object to an imaging system through multiple internal reflections. The light guiding prism may include one or more freeform surfaces having optical power. | 03-13-2014 |
| 20140111771 | EYEBALL MOVEMENT MONITORING METHOD AND DEVICE - An apparatus and method for monitoring the movement of eyeball comprises collecting an image frame of pupil; extracting a pupil pixel set (S); extracting a boundary value of the pupil pixel set; setting a center point based on the boundary value and dividing the pupil pixel set into four quadrant sets (S | 04-24-2014 |
| 20140139806 | 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. | 05-22-2014 |
| 20140160434 | Time-Based 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 according to a schedule, under the control of a scheduling controller. | 06-12-2014 |
| 20140192326 | QUANTITATIVE, NON-INVASIVE, CLINICAL DIAGNOSIS OF TRAUMATIC BRAIN INJURY USING VOG DEVICE FOR NEUROLOGIC 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 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 virtual reality portable device will allow more advanced usage for clinicians providing ongoing evaluation and treatment. | 07-10-2014 |
| 20140240675 | SYSTEMS AND METHODS FOR IMPROVED EASE AND ACCURACY OF GAZE TRACKING - Methods for improving gaze tracking are presented. These methods eliminate the need for a separate initial calibration step to determine whether the subject is properly centrally fixated during testing. In one embodiment, whether the subject is centrally fixated is determined by identifying inlier and outlier gaze descriptors; the inliers are assumed to be associated with central fixation. This reduces the total time required for testing. These methods also improve the accuracy of gaze tracking during testing without the need for individual subject calibration. Instead, a database of reference eyes is used. The subject's eye can be compared to the reference eyes, and the mapping function for one or more reference matches can be used to estimate the subject's gaze direction. In another embodiment, previous calibration data from the same subject can be used to determine whether the subject is properly centrally fixated and/or the direction of the subject's gaze. | 08-28-2014 |
| 20140253876 | SYSTEMS AND METHODS FOR DETECTION OF COGNITIVE AND DEVELOPMENTAL CONDITIONS - Systems, devices, and methods are described for the assessment, screening, monitoring, or diagnosis of developmental or cognitive conditions, including autism spectrum disorders (ASD) by analysis of eye tracking data generated from feedback received as a result of display of specific predetermined visual stimuli to a subject or patient. Subsequent to a calibration phase, a testing procedure is performed by presenting predetermined stimuli (e.g., videos) to a subject via a display device. Eye tracking data (from the subject moving his or her eyes in response to predetermined movies or other visual stimuli) are collected. During the data collection period, the system periodically presents targets to reflexively elicit the subject's gaze. These data are used to later verify accuracy. Analysis of the subject's viewing patterns during these stimuli is used for the assessment, screening, monitoring, or diagnosis of developmental or cognitive conditions such as ASD. | 09-11-2014 |
| 20140268055 | Eye/Gaze Tracker and Method of Tracking the Position of an Eye and/or a Gaze Point of a Subject - An eye/gaze tracker with first and second light sources each configured to illuminate an eye of a subject and controlled to selectively emit light towards the eye in such a manner that within an operation sequence the eye is illuminated by the first light source during at least one first interval and by the second light source during at least one second interval. An image sensor has a plurality of photodiodes each of which is associated with first and second charge storages configured to store electric charges based on an amount of light reaching the photodiode. At least one switch of the image sensor is controlled such that the electric charges are stored in the first charge storage as a result of the illumination during the at least one first interval and in the second charge storage as a result of the illumination during the at least one second interval. | 09-18-2014 |
| 20140293226 | EYE-TRACKER ILLUMINATION - A subject ( | 10-02-2014 |
| 20140320818 | System and Method for Tracking 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. | 10-30-2014 |
| 20140327881 | METHOD AND APPARATUS FOR CORRECTIVE SECONDARY SACCADES ANALYSIS WITH VIDEO OCULOGRAPHY SYSTEM - A video oculography system for calculation and display of Corrective Secondary Saccades Analysis is disclosed. A method for Objective Diagnostics of at least one of traumatic brain injury, Internuclear Opthalmopligia, Ocular Lateral Pulsion, Progressive Supernuclear Palsy And Glissades comprises the steps of using a VOG system to calculate corrective saccades. The video oculography based system for the subject is configured to collect eye images of the patient in excess of 60 hz and configured to resolve eye movements smaller than at least 3 degrees of motion. The video oculography based system collects eye movement data wherein at least one fixation target is presented to the subject in a defined position configured to yield a voluntary saccadic eye response from at least one eye of the patient. The latency, amplitude, accuracy and velocity of each respective corrective saccade and totals latency and accuracy is calculated. | 11-06-2014 |
| 20140354953 | TRACKING DEVICE AND OPTICAL ASSEMBLY THEREOF - An optical assembly includes a light source and a beam splitter. The light source is used for emitting an incident beam. The beam splitter is used for dividing the incident beam into a plurality of outgoing beams. The incident beam and the outgoing beam are both invisible light. The outgoing beams enter an eyeball and form a plurality of glints on the eyeball. The glints are formed on the region outside the pupil. | 12-04-2014 |
| 20150042954 | System and Method for Fluorescence Lifetime Imaging Aided by Adaptive Optics - Techniques are illustrated herein for 1- and 2-photon fluorescence lifetime imaging in the living retina, using adaptive optics to correct aberrations and achieve cellular level resolution. 1-photon fluorescence embodiments may include the use of a confocal pinhole to provide axial sectiontin. 2-photon embodiments allow for inherent axial sectioning without having to block out-of-focus light. | 02-12-2015 |
| 20150070653 | 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 |
| 20150070654 | SELF-ALIGNING UNOBTRUSIVE ACTIVE EYE INTERROGATION - Methods and system 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 gaze direction of the eye of the subject is determined and an interrogation signal source and/or response signal sensor are moved into alignment with the eye using an actuator to facilitate detection of the signal from the eye of the subject. | 03-12-2015 |
| 20150092163 | ADAPTIVE CAMERA AND ILLUMINATOR EYETRACKER - An eye tracker comprising at least one illuminator for illuminating an eye, at least two cameras for imaging the eye and a controller is disclosed. The configuration of the reference illuminator(s) and cameras is such that, at least one camera is coaxial with a reference illuminator and at least one camera is non-coaxial with a reference illuminator. On the one hand, the controller is adapted to select one of the cameras to be active with the aim of maximising an image quality metric and avoiding obscuring objects. On the other hand, the eye tracker is operable in a dual-camera mode to improve accuracy. The invention further provides a method and computer-program product for selecting a combination of an active reference illuminator from a plurality of reference illuminators and an active camera from a plurality of cameras. | 04-02-2015 |
| 20150098059 | PORTABLE PUPIL DETECTION DEVICE WITH MULTIBAND STIMULATING LIGHT AND INFRARED ILLUMINATION - The present invention discloses a portable pupil detection device with multiband stimulating light and infrared illumination, which comprises at least one pupil detection module for detecting the variation of the pupil of the testee. Each pupil detection module includes an illuminating light source emitting invisible light beams; a stimulating light source emitting visible light beams; at least one beamsplitter corresponding to the illuminating light source, the stimulating light source and an eye of the testee, cooperating with the illuminating light source and the eye to form a first optical path, and cooperating with the stimulating light source and the eye to form a second optical path; a lens corresponding to the beamsplitter and receiving the invisible light beams sent out by the beamsplitter to form an image of the eye; and an imaging element receiving the image of the eye from the lens. | 04-09-2015 |
| 20150098060 | PORTABLE WAVEFRONT ABERROMETER - A module for use with a mobile device to measure an aberration of a patient's eye includes a light shaft having a proximal end and a distal end. The light shaft includes a first plurality of optical components arranged to direct light along a first light path to the proximal end, and a second plurality of optical components arranged to direct light along a second light path to the distal end. A connector at the distal end includes at least one guide component for positioning the distal end adjacent to a light detector and a light source of the mobile device. When the distal end is positioned adjacent to the light detector and the light source, the first plurality of optical components directs light along the first light path and the second plurality of optical components directs light along the second light path. | 04-09-2015 |
| 20150098061 | INFORMATION SYSTEM AND METHOD FOR PROVIDING INFORMATION USING A HOLOGRAPHIC ELEMENT - An information system and a method for providing information in correlation with light that is incident on an eye includes a holographic element disposed in front of the eye and a device capable of recording optical signals which detects light that is incident on the eye via the holographic element. The device capable of recording optical signals detects light which is diffracted by the holographic element before the light impinges on the eye such that the diffracted light does not enter the eye. | 04-09-2015 |
| 20150116665 | APPARATUS AND METHOD FOR DETERMINING PHYSIOLOGIC PERTURBATIONS OF A PATIENT - The present disclosure is related to a method and apparatus for determining a physiologic perturbation of a patient including acquiring a video sequence, including a plurality of video frames, of an eye of a patient, selecting at least one parameter of a plurality of parameters including a baseline pupil size, a maximum change in size of a pupil, an average velocity of constriction of the pupil, a maximum velocity of constriction of the pupil, latency of constriction of the pupil, and a velocity of re-dilation of the pupil, determining, using processing circuitry and based on the plurality of video frames, the selected at least one parameter of the plurality of parameters, and determining the physiologic perturbation of the patient based on the determined at least one parameter, where the least one parameter of the plurality of parameters is selected based on which physiologic perturbation of the patient is to be determined. | 04-30-2015 |
| 20150297075 | 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. | 10-22-2015 |
| 20150313459 | NEUROCHROMATIC PRESCRIPTION DETERMINATION - A method for determining a lens prescription for the eye. The method includes selecting a first ultraviolet (UV) trial lens and a second UV trial lens and determining whether the first UV trial lens or the second UV trial lens results in greater improvement in visual function. The second UV trial lens may be selected for the prescription when the second UV trial lens results in greater improvement in visual function as compared to the first UV trial lens. The method includes selecting a first color group comprising a first color trial lens and a second color trial lens and determining whether the first color trial lens or the second color trial lens results in greater improvement in visual function. The second color trial lens may be selected for the prescription when the second color trial lens results in greater improvement in visual function than the first color trial lens. | 11-05-2015 |
| 20150335239 | HEAD MOUNTABLE DEVICE FOR MEASURING EYE MOVEMENT - A head mountable device for measuring eye movement includes: a camera system comprising a first camera, wherein the camera system is configured to obtain a first set of images of a first eye of a user with a first frame rate and a first resolution; a processing unit configured to process the obtained first set of images and provide a processing unit output based on the first set of images; and an interface connected to the processing unit, for providing a device output based on the processing unit output; wherein the first frame rate is sufficient to allow the processing unit to detect eye saccades of the first eye. | 11-26-2015 |
| 20150362756 | APPARATUS, SYSTEM AND METHOD FOR GAZE TRACKING BASED ON PHOTODETECTION BY AN EYE-MOUNTABLE DEVICE - Techniques and mechanisms for determining a direction of gaze by a user of an eye-mountable device. In an embodiment, the eye-mountable device includes a first circuit and a second circuit, each comprising a respective photodiode. The second circuit is configured to provide a light response profile that is more linear than a light response profile provided by the first circuit. Light sensing by the first circuit results in generation of a first signal indicating a level of ambient light in a surrounding environment. Other light sensing by the second circuit results in a second signal being generated. A direction of gaze by a cornea of the user is detected based at least in part on the first signal and the second signal. In another embodiment, the first signal is provided to configure the second circuit. | 12-17-2015 |
| 20150374223 | DIAGNOSIS SUPPORTING DEVICE AND DIAGNOSIS SUPPORTING METHOD - A diagnosis supporting device includes an imaging unit that images a subject, an eye gaze detector that detects an eye gaze direction of the subject from an image captured by the imaging unit, a gaze point detector that detects a gaze point of the subject in a display area of a display on the basis of the eye gaze direction, and an output controller that causes the display area to display a diagnostic image composed by superposing a pattern image onto a natural image. | 12-31-2015 |
| 20150374231 | TIME-BASED 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 according to a schedule, under the control of a scheduling controller. | 12-31-2015 |
| 20160022138 | METHOD AND APPARATUS FOR FIXATION MEASUREMENT - A method and apparatus for fixation measurement includes rotating a first reflector comprising a diffraction component about a rotation axis, the first reflector being configured to reflect light received from a light source onto a second reflector via the diffraction component and reflect light received from the second reflector via the diffraction component and capturing light which is reflected by the second reflector and subsequently reflected by the first reflector with one or more photo detectors. | 01-28-2016 |
| 20160045108 | Vision Protection Method and System Thereof - A vision protection method includes the steps of tracking at least one of eye activities of the viewer of the electronic device via a working condition detector; detecting possible eye conditions based on pupilary light reflex and responses; determining eye fatigue due to the eye activities of the viewer of the electronic device in a working mode of the electronic device; and generating a viewer eye result in response to the eye activities and possible eye conditions. | 02-18-2016 |
| 20160066782 | GAZE DETECTOR - A detector detects head postures and gaze directions from images of a person to be measured captured by an imaging unit; a generation unit generates a gaze direction distribution with respect to each of the head postures, from the head postures and the gaze directions detected by the detector; a calibration unit determines predetermined one of the head postures as a reference posture, and calculates calibration parameters to be used to calibrate the gaze direction distribution with respect to the reference posture; and a correction unit corrects the gaze direction distributions with respect to the head postures other than the reference posture by using the calibration parameters calculated by the calibration unit. This reduces the influence on the calibration which may vary due to change in the head posture. | 03-10-2016 |
| 20160081546 | HEAD MOUNTABLE DEVICE FOR MEASURING EYE MOVEMENT - A head mountable device for measuring eye movement includes: a frame; a camera system comprising a first camera, wherein the camera system is coupled to the frame, and is configured to obtain a first set of images of a first eye of a user; and a first liquid crystal display (LCD) shutter configured to control passage of light to the first eye based at least in part on a first control signal, the first LCD shutter is configured to operate in a first primary mode and a first secondary mode, wherein the first LCD shutter is configured to allow less light to reach the first eye in the first secondary mode than in the first primary mode. | 03-24-2016 |
| 20160081547 | EYE TRACKING AND GAZE FIXATION DETECTION SYSTEMS, COMPONENTS AND METHODS USING POLARIZED LIGHT - An eye tracking and gaze fixation detection system, includes an electronically scannable optical illumination system emits polarized near-infrared (NIR) light to a retina in an eye of a subject; an optical detection system arranged in an optical path of the NIR light after being reflected from the retina of the eye of the subject, the optical detection system providing a detection signal; and a signal processing system communicates with the optical detection system to receive the detection signal, wherein the optical illumination system emits the polarized NIR light to illuminate at least a portion of a scanning path, wherein the scanning path is a spatially closed loop across a portion of the retina in the eye of the subject that repeats periodically over time, and wherein the signal processing system is configured to determine at least one of a gaze direction and a gaze fixation based on the detection signal. | 03-24-2016 |
| 20160106315 | SYSTEM AND METHOD OF DIAGNOSIS USING GAZE AND EYE TRACKING - A system and method for use of a mobile device to capture one or more images of one or more eyes of a user in a period before, during or after conducting one or more tests involving the eyes, vision or eye movements of the user. A position, motion, pattern or other characteristic of the position, motion or movement of one or more eyes may be evaluated in each of such images and comparisons of such positions, motions or movements in the various images may be made as part of a diagnostic effort for various medical conditions. | 04-21-2016 |
| 20160106354 | DIAGNOSIS SUPPORTING DEVICE AND DIAGNOSIS SUPPORTING METHOD - A diagnosis supporting device includes a display, an imaging unit configured to capture a subject, an eye gaze detector configured to detect an eye gaze direction of the subject from a captured image captured by the imaging unit, a gaze point detector configured to detect a gaze point of the subject in a display region of the display, based on the eye gaze direction, an output controller configured to display, on the display, a diagnosis image that includes a person image and a geometric pattern image, and in which at least one of contrast, color density, and a degree of transmittance of the person image or the geometric pattern image is changed over time, and an evaluator configured to calculate an evaluation value of the subject, based on the gaze point detected by the gaze point detector when the diagnosis image is displayed. | 04-21-2016 |
| 20160106355 | System and Method for Monitoring a Subject's Eye - A system and a method for monitoring subject's eyes are disclosed. In one embodiment, spectral profiles of a frame substantially around a subject's eye are received from an image capturing device. Further, a state of the subject's eye in the frame is detected using the spectral profiles received from the image capturing device. | 04-21-2016 |
| 20160113486 | EYE GAZE DETECTION APPARATUS AND EYE GAZE DETECTION METHOD - An eye gaze detection apparatus includes a plurality of illuminators each including a light source for emitting light and disposed symmetrically with respect to a predetermined position, a plurality of imaging units each disposed at an inner or outer position with respect to the plurality of illuminators, a position detector configured to detect a first position indicating a pupil center and a second position indicating a corneal reflection center based on an image of an eyeball of a subject, the image being captured by the imaging unit with the light emitted by the illuminator, and a calculator configured to calculate a fourth position indicating a corneal curvature center, based on the predetermined position, a third position on a display, the first position, and the second position. | 04-28-2016 |
| 20160150956 | DIAGNOSIS SUPPORTING DEVICE AND METHOD OF SUPPORTING DIAGNOSIS | 06-02-2016 |
| 20160166146 | Eye-Tracking System and Method Therefor | 06-16-2016 |
| 20160166190 | SYSTEMS AND METHODS FOR MEASURING REACTIONS OF HEAD, EYES, EYELIDS AND PUPILS | 06-16-2016 |
| 20160249800 | COMPUTATIONAL ARRAY CAMERA WITH DYNAMIC ILLUMINATION FOR EYE TRACKING | 09-01-2016 |
| 20160249801 | COMPACT EYE IMAGING AND EYE TRACKING APPARATUS | 09-01-2016 |
