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| Number | Title | Issue Date |
| 8087781 | Optotype presenting apparatus An optotype presenting apparatus, by which red and green optotypes can be visually perceived independently by right and left eyes even if red filters and/or green filters have different wavelength transmission characteristics, comprises a color display, a unit havin... | 01/03/2012 |
| 7806529 | Device and method for optometry An eye examination apparatus 100 of the present invention comprises, a refractive power measuring section 50 for measuring refractive powers of subject eyes E of a subject in a binocular viewing state, an eye chart presenting section 30 for pres... | 10/05/2010 |
| 7794087 | Optotype presenting apparatus An optotype presenting apparatus capable of presenting an optotype having a high degree of flexibility to an examinee's eye while a production cost of the apparatus is curbed comprises a main body comprising an optotype forming unit comprising first and second displ... | 09/14/2010 |
| 7607778 | Optotype presenting apparatus An optotype presenting apparatus capable of performing a test with accuracy by minimizing differences in manners an optotype is seen by examinees which result from differences in height of eyes among the examinees comprising a display unit comprising pixels having c... | 10/27/2009 |
| 7407290 | Method of inspecting monocular diplopia and eye mark pattern for use in the same In order to examine a degree of monocular diplopia is easily examined in a quantitative manner, a plurality of circular eye marks are seen from a predetermined examination distance with a single eye of a patient to find a particular eye mark whose double vision imag... | 08/05/2008 |
| 7365908 | Tiling of panels for multiple-image displays A large-area display is composed of two or more adjacent panels, in which the overall display provides a consistent perception of depth (and/or other characteristics of the images) in all panels from each viewing position. This is accomplished by generating a first ... | 04/29/2008 |
| 7341349 | Ophthalmologic apparatus and ophthalmologic chart An optometric apparatus 2 according to the present invention comprises a body portion 5r provided with an optical system for a right eye for projecting a chart for the right eye in order to inspect visual function of both eye of an examinee and ... | 03/11/2008 |
| 7311401 | Eye viewing device comprising eyepiece and video capture optics There is described in one embodiment an eye viewing device for viewing a structure of an eye such as a retina. The eye viewing device can include an image sensor. In one embodiment an eye viewing device can be adapted to facilitate both visual viewing of an eye stru... | 12/25/2007 |
| 7290880 | System and method for producing a stereoscopic image of an eye fundus A stereoscopic opthalmoscope for producing a stereoscopic image of an eye fundus, the stereoscopic opthalmoscope including a light source, for emitting a light beam, a light deflector, optically coupled with the light source, for deflecting the light beam into an ey... | 11/06/2007 |
| 7289254 | Optometry measurement device The present invention features a method and device for measuring characteristics of the human eye, particularly spherical refractive error. The device comprises a recorded hologram of an array of elements each bearing an identifying indicia. When the reconstructed h... | 10/30/2007 |
| 7267437 | Biomimicking applications of human sensory systems A method of sensory training and testing systems focusing upon the development of pre-attentive and attentive vision for the enhancement of the individual's ability to perform specific functions. ... | 09/11/2007 |
| 7265902 | Display apparatus switchable between a two-dimensional display and a three-dimensional display A display apparatus (20) includes a display panel (22) having pixels, a movable light shielding plate (23), and a light deflection plate (24). The light shielding plate is interposed between the display panel and the light deflection plat... | 09/04/2007 |
| 7234812 | Method and apparatus for manufacturing a custom fit optical display helmet A helmet with an optical display system is provided with a custom fit protective liner which precisely aligns the wearer's eyes with the optics on the helmet. The helmet is manufactured by positioning the subject's head in a fixture; determining the position of the ... | 06/26/2007 |
| 7232219 | Viewing apparatus for simulating impairment The present invention provides a viewing apparatus for simulating visual impairment. In one embodiment, the apparatus includes a frame defining a viewing area and first and second lenses supported by the frame. The first lens is disposed in a first region of the vie... | 06/19/2007 |
| 7229174 | Method to detect misalignment and distortion in near-eye displays A flashing dot is alternately shown in the left image and right display of a binocular device at short intervals so as to allow a user to detect the misalignment in the displays. If misalignment occurs, the user sees a dot moving between two locations. The user uses... | 06/12/2007 |
| 7184212 | Observation apparatus An observation apparatus is disclosed that includes two projection devices, a display panel, and a retaining and supporting member. The two projection devices are each provided with an aperture, and are positioned and oriented so that images are projected onto the d... | 02/27/2007 |
| 7180529 | Immersive image viewing system and method An immersive image viewing method comprises the steps of: displaying a scene on a first viewing area, the scene comprised of at least one image; displaying a lighting environment on a second viewing area separate from the first viewing area, the first and second vie... | 02/20/2007 |
| 7165842 | Autostereoscopic display apparatus having glare suppression An improved autostereoscopic display apparatus (10) forms left and right virtual images for pupil imaging by forming, through a beamsplitter (16), a real intermediate image near the focal surface of a curved mirror (24). A circular polarizer ( | 01/23/2007 |
| 7116477 | Stereoscopic image display apparatus and stereoscopic image display system A stereoscopic image display apparatus in accordance with the present invention solves a problem with a conventional multi-view stereoscopic image display apparatus in that the resolution of each parallax image deteriorates as the number of provided parallax images ... | 10/03/2006 |
| 7053917 | Display device A display device is provided that does not cause the viewer to experience a feeling that something is abnormal, even when the relative positions of the display device and the viewer fluctuate. The display device basically includes a display section, a motion detecti... | 05/30/2006 |
| 7031917 | Speech recognition apparatus using distance based acoustic models The present invention relates to a speech recognition apparatus and a speech recognition method for speech recognition with improved accuracy. A distance calculator 47 determines the distance from a microphone 21 to a user uttering. Data indicating the... | 04/18/2006 |
| 7027222 | Three-dimensional observation apparatus A three-dimensional observation apparatus includes a pair of image projection means, an image display means, a position detecting means for detecting movements of an observer of images displayed by the image display means, and a driving means for tracking movements ... | 04/11/2006 |
| 6896655 | System and method for conditioning the psychological state of a subject using an adaptive autostereoscopic display An adaptive autostereoscopic display system (10) provides an apparatus for conditioning the psychological state, physiological state, or behavior of a subject (12) by displaying a stereoscopic virtual image at a left viewing pupil (14l) a... | 05/24/2005 |
| 6810140 | Three dimensional real-time image apparatus of ocular retina The disclosed content relates to a three dimensional real-time imaging apparatus of the ocular retina, which is associated with the most frequent ophthalmic diseases. In the present invention, the laser rays are formed into two dimensional ray surface sequentially w... | 10/26/2004 |
| 6752498 | Adaptive autostereoscopic display system An autostereoscopic image display apparatus (10) that adapts to sensed feedback data about an observer (12) in order to conform its operation to adapt to the position and intraocular dimensions of the observer. The apparatus (10) uses ball lens ... | 06/22/2004 |
| 6517204 | Electronic depth perception testing system and apparatus for conducting depth perception tests An electronic eye depth testing method comprises a three dimensional cubic space displayed on a display screen, wherein the cubic space has a first image of a three dimensional object and a second image of a three dimensional object randomly placed within... | 02/11/2003 |
| 5877840 | Binocular view function inspecting apparatus and inspecting method A reference image and an index image are displayed on a three-dimensional display device with either one of the images taken as a left eye image and the other image taken as a right eye image. When a movement command to move a display position of the inde... | 03/02/1999 |
| 5764340 | Portable device for evaluation of binocular vision problems A vision evaluation device which measures the three vision parameters of stereoscopic vision, fusion testing, and fusion recovery measurement. The device comprises a stereo-pair of images in constant view through the eye pieces of a lighted View Master.RT... | 06/09/1998 |
| 5638082 | Vision testing system for stereoscopic viewing by a test person An image display system comprises polarization spectacles having different polarization axes with or without λ/4-foils of both polarization lenses forward of the eyes of the person to be tested. The system of the invention further includes an image displ... | 06/10/1997 |
| 5619291 | Patient-user interactive psychotherapy apparatus and method A patient-user interactive psychotherapy apparatus for use in Eye Movement Desensitization and Reprocessing treatment is disclosed. The psychotherapy apparatus includes a pair of visual displays, each for displaying an image having an emotional impact on ... | 04/08/1997 |
| 5530492 | Ophthalmological instrument for producing dichoptic stimuli on a visual display terminal A method and system for presenting two successive images on a video display unit as a dichoptic stimulus of substantially equal intensity, wherein a first image is displayed at a predetermined intensity so as to be seen by a first eye of an observer only,... | 06/25/1996 |
| 5436681 | Apparatus and method for screening individuals for ametropic conditions A vision screening apparatus and screening method that includes a myopic screening test image and a hyperopic screening test image. In one embodiment, each screening test image includes a test letter member superimposed on a colored background member that... | 07/25/1995 |
| 5347330 | System and method using the Pulfrich stereo-illusion phenomenon to screen eyes and detect ocular and optic nerve disease A simple and relatively inexpensive system has been developed for screening people both with normal vision and those with ocular and optic nerve disease using the Pulfrich stereo-illusion phenomenon. The system uses an audio/visual recording showing a bal... | 09/13/1994 |
| 5331358 | Vision testing system for testing the sight function of a patient A vision testing system includes polarization spectacles having different polarization axes with or without λ/4 filters for the two polarization lenses forward of the eye of the patient to be tested. This system also includes a vision testing apparatus f... | 07/19/1994 |
| 5235361 | Stereoscopic vision testing apparatus Apparatus for use in optometry to determine the degree of stereo acuity present in a patient comprises a frame having a proximal end adapted to engage against the face, particularly the chin of the patient, and carrying a support structure for receiving a... | 08/10/1993 |
| 5223865 | Method and apparatus for measuring visual function The inventive method and apparatus are based on the display of a striped target with constantly accurate contrast to the patient for finding a visual function disturbance associated with such eye diseases as glaucoma or diabetic repinopathy at their earli... | 06/29/1993 |
| 4863258 | Apparatus and stimulus design for producing and evaluating binocular field effects in vision By using a viewing device and the proper configuration of visual stimulus material, one can create competition between the two eyes and determine what is perceived by a binocular observer. Where one eye sees light or pattern in a zone of the visual field,... | 09/05/1989 |
| 4778267 | Amblyopia screening Pre-literate children are screened for amblyopia utilizing a simple device. A pair of eyepieces are mounted by a static structure so that the fields of view through the eyepieces are segregated. A card having two different, spaced pictorial representation... | 10/18/1988 |
| 4415243 | Optical test chart for testing binocular reading ability An optical test chart for testing binocular vision. The chart has three lines of text, with the middle line printed or marked in letters or characters which have no polarizing effect. The line above this middle line is marked in letters or characters whic... | 11/15/1983 |
| 4260226 | Eye depth perception testing apparatus An improved, and more objective, eye depth perception testing apparatus wherein the eyes of a patient are tested by observing test specimens, posts or pegs of varying colors, varying shapes, varying lateral spacings, and at different lighting conditions. ... | 04/07/1981 |
