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| Number | Title | Issue Date |
| 8113657 | 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 tw... | 02/14/2012 |
| 8083350 | 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 adap... | 12/27/2011 |
| 8025405 | Eye tracking illumination The invention relates to automatic eye tracking, wherein at least one imaging device (150) registers sequential image data (DEYE) representing at least one eye (181; 182) of a subject (180). A processing unit (170) receives the... | 09/27/2011 |
| 7997730 | Explicit raytracing for gimbal-based gazepoint trackers A system for determining a three-dimensional location and orientation of an eye within a camera frame of reference includes a camera, an illuminator, and a processor. The camera captures an image of the eye. The illuminator generates a reflection off of a corneal su... | 08/16/2011 |
| 7988287 | Objective traumatic brain injury assessment system and method A system and method for determining the neurological function of a patient by examining ocular responses. ... | 08/02/2011 |
| 7988288 | Method for visual field testing A method of ocular testing is provided using a testing apparatus having a display (2) and a control means (6, 17) for controlling movement of a cursor (7). The method comprises providing a fixation target (T), detecting when an observer (1 | 08/02/2011 |
| 7950802 | 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 s... | 05/31/2011 |
| 7922330 | Fast response eye tracking An apparatus (10) for monitoring the position of an eye during a laser ablation treatment of the eye is provided. The apparatus includes optic means (110) for directing an incident light beam (102) along an optical path (104) onto the ext... | 04/12/2011 |
| 7878653 | Fundus camera A fundus camera capable of favorably photographing a fundus of an examinee's eye comprises a fundus photographing optical system comprising a visible light source which emits illumination light onto the fundus, a focusing lens movable in an optical axis direction th... | 02/01/2011 |
| 7862172 | 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 aforeme... | 01/04/2011 |
| 7810926 | 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 separ... | 10/12/2010 |
| 7784945 | Display Apparatus, display method, display program, integrated circuit, goggle-type head-mounted display, vehicle, monocle, and stationary display A display apparatus includes: a light outputting unit which outputs a visible beam to be projected onto an eyeball and an infrared beam to be projected onto eyelids; a deflection unit which deflects, toward the user's eyes, the visible beam and infrared beam outputt... | 08/31/2010 |
| 7784946 | Virtual microscope system for monitoring the progress of corneal ablative surgery and associated methods A system for visualizing an eye of a patient during corneal surgery includes a processor and a first and second camera in signal communication with the processor. The cameras are positionable for focusing on a cornea positioned for surgery. A first and a second disp... | 08/31/2010 |
| 7762666 | Device for measuring and correcting aberration of an eye A device and method for measuring and correcting eye aberrations integrate wavefront sensing, wavefront aberration correction and optometric testing into one another and configure the optical paths of wavefront sensing and optometric testing as aplanatic structures,... | 07/27/2010 |
| 7736000 | 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 f... | 06/15/2010 |
| 7717561 | 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 si... | 05/18/2010 |
| 7686451 | Explicit raytracing for gimbal-based gazepoint trackers One embodiment of the present invention is a method for computing a first gaze axis of an eye in a first coordinate system. A camera is focused on the eye and moved to maintain the focus on the eye as the eye moves in the first coordinate system. A first location of... | 03/30/2010 |
| 7682026 | Eye location and gaze detection system and method A system and method for gaze detection of an animate subject, typically a human. The subject's pupils are located in three dimensional space, using red-eye detection techniques and triangulation. Then, the gaze direction is determined based on the shape of the subje... | 03/23/2010 |
| 7641341 | Use of saccadic eye motion to indicate the level of human interest in response to visual stimuli Technique for providing an indication of viewer interest in response to visual stimuli. A viewer is exposed to visual stimuli. The viewer's saccadic eye motion occurring while the viewer is being exposed to the visual stimuli are measured. The visual stimuli are dis... | 01/05/2010 |
| 7618144 | 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 se... | 11/17/2009 |
| 7600873 | Method of determining the spatial relationship of an eye of a person with respect to a camera device A method of determining the spatial relationship of an eye (10) of a person with respect to a camera device (20) which provides images of the eye (10) comprises: a model acquisition phase in which a customized ... | 10/13/2009 |
| 7594728 | Adjustable device for vision testing and therapy An adjustable and foldable device for visual field testing or treatment includes a computer display mounted on a base and presents visual stimuli to the patient. An associated head support assembly with a chinrest supports and positions the head of the subject with ... | 09/29/2009 |
| 7556377 | 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 stat... | 07/07/2009 |
| 7553021 | Optical system for monitoring eye movement In one embodiment, a system for monitoring eye movement through optical observation of the eye includes an optical device configured for mounting on a frame for positioning the optical device on a user. The optical device includes a light source configured for emitt... | 06/30/2009 |
| 7500752 | Diagnosing and training the gaze stabilization system A method for diagnosing impairments of a subject's gaze stabilization system is provided. The method includes measuring the subject's static visual acuity to obtain an assessment, setting at least one test parameter based on the assessment, measuring the subject's d... | 03/10/2009 |
| 7438418 | Mental alertness and mental proficiency level determination A method for determining mental proficiency level by monitoring point of gaze, pupillary movement, pupillary response, and other parameters in a subject performing a task, collecting the data in a database, analyzing the data in the database, and assigning the subje... | 10/21/2008 |
| 7438414 | Gaze discriminating electronic control apparatus, system, method and computer program product An electronic control apparatus, system, method and computer program product for selecting and controlling an electronic device from among a plurality of available electronic devices based upon the substantially contemporaneous issuance of a verbal command and devic... | 10/21/2008 |
| 7430365 | Safe eye detection An eye detection system for safe detection of the eye positions of a subject estimates the distance from the eye detection system to the subject and reduces the power level of at least one primary light source of the eye detection system if the subject is too close ... | 09/30/2008 |
| 7428001 | Materials and methods for simulating focal shifts in viewers using large depth of focus displays A large depth of focus (DOF) display provides an image in which the apparent focus plane is adjusted to track an accommodation (focus) of a viewer's eye(s) to more effectively convey depth in the image. A device is employed to repeatedly determine accommodation as a... | 09/23/2008 |
| 7425067 | Ophthalmic diagnostic instrument Diagnostic instruments, systems and methods for performing measurements on eyes are disclosed. In one embodiment of the instrument, a left ocular is disposed in a portion of a left visual path for the left eye, the left ocular positioned to permit the left eye to vi... | 09/16/2008 |
| 7419264 | Ophthalmic aberrometer for measuring aberrations in the eye A ophthalmic aberrometer uses a wavefront sensor aligned with an eye under examination through an optical path and a light source for introducing a light beam into the eye via the optical path, wherein the optical path has a reference through which the light beam pa... | 09/02/2008 |
| 7416303 | Ophthalmic observation apparatus An ophthalmic observation apparatus for observing an object region to be observed of an examinee's eye, comprises: an illumination optical system which has a laser source, a polygon mirror, and a galvano mirror, and which irradiates the object region with a laser be... | 08/26/2008 |
| 7401920 | Head mounted eye tracking and display system A system for eye tracking that determines the line of sight of a user according to the relative position between the center of the pupil and a reference point, the system including an image detector that captures an image of the eye, a pupil-illuminating light sourc... | 07/22/2008 |
| 7401919 | Method, device and arrangement for measuring the dynamic behavior of an optical system A method for measuring the dynamic behavior of an optical system is aimed at rendering the dynamic behavior of the optical system objectively detectable. To this end, the optical system to be measured is stimulated by stimuli whereby causing it to react, and the rea... | 07/22/2008 |
| 7400410 | 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... | 07/15/2008 |
| 7387386 | Ophthalmologic image processing apparatus To synthesize an aperture mask having unnoticeable steps with a taken fundus image. In an image processing apparatus, taken fundus image data is inputted and then analyzed. After that, an aperture mask is selected and inputted as aperture mask data, and an image siz... | 06/17/2008 |
| 7380938 | Apparatus to detect and measure saccade and pupilary changes An eye tracking system employs a first line camera that is configured to track horizontal eye motion and a second line camera that is configured to track vertical eye motion. Output signals from the two line cameras are applied to a processor which identifies and tr... | 06/03/2008 |
| 7367673 | Method and apparatus for the diagnosis of glaucoma and other visual disorders A subject (12) observes an image on a display (10). A control (18) produces a fixation image at a selected position in the display, followed by a stimulus spaced from the fixation image. An eye position sensor (14) detects a saccade movem... | 05/06/2008 |
| 7365738 | Guides and indicators for eye movement monitoring systems A computer system aids user positioning of a pointing device by providing an animated post warp retro guide in conjunction with an eye tracking system, based on perceived user intent, to assist a user in maintaining continuity for pointer warps. An eye tracking appa... | 04/29/2008 |
| 7362887 | Face identification apparatus, face identification method, and face identification program A face identification apparatus for identifying a face is designed to have a face region expectation measure for expecting his/her face region within the image; a pupil-candidate-point detection measure for converting the face region to an image of a standard size, ... | 04/22/2008 |
