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| Number | Title | Issue Date |
| 8007108 | Image processing apparatus and method of controlling image processing apparatus An image processing apparatus includes an operation device and a color vision type detector. The operation device receives a user instruction input by a user, which indicates the selection of at least one of a plurality of processing functions to be applied onto ima... | 08/30/2011 |
| 7993003 | Computerized method for colorblindness testing A computer implemented method to form, display, and evaluate, a test for colorblindness, wherein the method selects one or more test images, displays those test images seriatim to a test subject using a visual display device. A response is received from the test sub... | 08/09/2011 |
| 7690790 | Vision test pattern indicator A vision test pattern indicator is provided with a color display for displaying optotypes used for binocular vision tests which are conducted with a red filter set in front of an eye of an examinee and a green filter set in front of the other eye, and an arithmetic ... | 04/06/2010 |
| 7628491 | Anomaloscope An anomaloscope for measuring and monitoring color vision, whereby gross and subtle color vision changes due to a disease process may be readily monitored over time. The device has a series of bicolor or red/green light sources presented in pairs with amber/yellow l... | 12/08/2009 |
| 7379586 | Color vision characteristic detection apparatus A color vision characteristic detection apparatus has a storage section, a generation section, and a presenting section. The storage section stores a basic color chart containing portions colored in colors different from each other. The generation section performs a... | 05/27/2008 |
| 7350921 | iQueVision: animated / vision testing system A device for performing in eye test includes a display for animated visual acuity letters and sealable dynamic letters, a computer to control the display and to link to a patient database, and the display having at least a contrast sensitivity of 400:1, a true rez v... | 04/01/2008 |
| 7344250 | Color presenting method, color sample book, and color presenting apparatus A set of each of a plurality of colors is provided which can be distinguished from each other by a color-blind person and a plurality of colors which can be distinguished from each other by a person of normal color vision but are recognized as the each color by the ... | 03/18/2008 |
| 7333117 | Method of compensating colors in image display device for users with color vision deficiency and device of the same Disclosed are a method of compensating colors in an image display device for users with color vision deficiency and a device of the same, enabling the users with color vision deficiency to view display images as vividly and naturally as normal users. The method for ... | 02/19/2008 |
| 7264356 | Techniques for diagnosing and aiding color vision Systems and methods for determining and addressing color-vision impairment by allowing a patient to compare multiple images of a scene wherein the color content of selected ones of the images has been manipulated by altering a portion of the color space that is less... | 09/04/2007 |
| 7252382 | Apparatus and method for measuring differences in the transmission of light through a lens of an eye The apparatus for measuring differences in the transmission of light through a lens of an eye is an eye chart has two main sections including a test section that displays a shade of a test color and a reference section that displays either a spectrum of shades, or a... | 08/07/2007 |
| 7244024 | Eye target apparatus An eye target apparatus and method helping to control an operative eye focus line of sight position during medical procedures on the operative eye of a cooperative awake patient. The apparatus includes a housing for occluding substantially all visual perception from... | 07/17/2007 |
| 7222964 | Method and arrangement for optically stimulating the visual system A method and device for optically stimulating the visual system during static perimetry and for objectively evaluating adequate stimulus-related electrophysiological and/or magnetophysiological quantities. Light stimuli with defined parameters derived from a predete... | 05/29/2007 |
| 7216984 | Optometric apparatus An optometric apparatus for a subjective examination of a visual function of an eye of an examinee includes a pair of right and left lens chamber units, each including, a test window and a rotating disk on which a plurality of optical elements are mounted in a circu... | 05/15/2007 |
| 7128418 | Color vision deficiency screening test resistant to display calibration errors A method for testing a plurality of regions in a color space to identify any of, or a subcombination of, the following color vision deficiencies: protanopia, deuteranopia, tritanopia, and related anomalies. A set of distractor colors is distributed across a region o... | 10/31/2006 |
| 6851809 | Color vision deficiency screening test resistant to display calibration errors A method for testing a plurality of regions in a color space to identify any of, or a subcombination of, the following color vision deficiencies: protanopia, deuteranopia, tritanopia, and related anomalies. A set of distractor colors is distributed across a region o... | 02/08/2005 |
| 6729729 | Method of testing and corresponding vision aid A method of testing applicable to a vision aid, such as a tinted transparent overlay for placement over textual matter to be read, or selection of a tint for a vdu screen, to assist in amelioration of symptoms in dyslexia and other optical and related disorders, use... | 05/04/2004 |
| 6331625 | Photochromic spirofluorenopyran compounds Photochromic spirofluorenopyran compounds corresponding to the general formula (I): ##STR1## in which B, B', R1 to R4 and G have the meanings defined herein. The compounds of the invention are useful in the production of photoch... | 12/18/2001 |
| 6220708 | Method and device for producing multicolored patterns A method and device for producing multicolored patterns can test the color vision or the reaction of a viewer. The patterns are produced by at least one switchable light source and at least two differently colored transparent color segments, which are alt... | 04/24/2001 |
| 6210006 | Color discrimination vision test A method for conducting a color discrimination vision test includes displaying a test object comprised of two separate fields wherein one field has a fixed color hue and the other field has a variable color hue. The test subject is instructed to select wh... | 04/03/2001 |
| 6203157 | Method for testing visual function capable of guaranteeing validity thereof Disclosed is a method for testing a visual function (visual acuity and color function) using a display device; and, more particularly, a method for improving accuracy of the visual function testing and reducing human resources in testing the visual functi... | 03/20/2001 |
| 5971543 | Method of measuring metabolic activity employing an anomaloscope In this device, we employed four sets (or three sets) of different wavelength light sources and mixed each other to form the Moreland's color matching equation (a 580 nm+b 480 nm=c 440 nm+d 500 nm) or the Rayleigh's color matching equation (a 590 nm=b 546... | 10/26/1999 |
| 5883694 | Method for the improvement of reading skills A quantitative visual test measures the rate at which an individual is able to complete a defined visual task, either on paper or on a self illuminated screen. The task involves comparing a plurality of similar appearing numbers to determine if they are a... | 03/16/1999 |
| 5838423 | Apparatus for collecting data An apparatus is provided for collecting data. The apparatus is particularly, but not exclusively, applicable for the diagnosing of eye disorders. The apparatus contains a rack (1) having a plurality of engagement positions and a plurality of counters (5) ... | 11/17/1998 |
| 5734459 | Anomaloscope which can generate different illuminances for test In this device, we employed four sets (or three sets) of different wavelength light sources and mixed each other to form the Moreland's color matching equation (a 580 nm+b 480 nm=c 440 nm+d 500 nm) or the Rayleigh's color matching equation (a 590 nm=b 546... | 03/31/1998 |
| 5589898 | Method and system for color vision deficiency correction The present invention is an apparatus and method for the testing of computer users for color vision defects, sometimes referred to as "color blindness," and then the automatic adjustment of color computer displays to settings that are optimal for certain ... | 12/31/1996 |
| 5543867 | Method and apparatus for the amelioration for visual stress and dyslexia A quantitative visual test measures the rate at which an individual is able to complete a defined visual task, either on paper or on a self illuminated screen. The task involves comparing a plurality of similar appearing numbers to determine if they are a... | 08/06/1996 |
| 5485230 | Chromatic motion diagnosis system and methods A system and method are described for determining a subject's perceived motion ability utilizing chromatic pathways. The equiluminant point between two selected colors is determined and two similar moving patterns are then provided, one equiluminant and t... | 01/16/1996 |
| 5461436 | Color field test with occlusion of non-tested eye In a color field test where the field background is of a first color--preferably yellow--and the illuminating spot is of a second and different color--preferably blue, a translucent occluder is utilized for the eye. The translucent occluder is chosen to p... | 10/24/1995 |
| 5297559 | Apparatus for testing color vision An opaque plate is positioned in front of a patient undergoing color vision testing. A number of openings are formed in the plate. Behind each disk is a hollow sphere having colored light sources mounted therein. By selectively energizing the colored ligh... | 03/29/1994 |
| 5129720 | Method and apparatus for examination of visual acuity A method and apparatus for measuring visual acuity utilizes an apparatus having two rotating charts. The two rotating charts are mounted within a housing which has a window in the front thereof. The housing is illuminated and the charts are placed upon pl... | 07/14/1992 |
| 4966453 | Four-channel anomaloscope A four-channel anomaloscope for detecting the color sense match of the blue cone function and the color weakness or blindness in red and green comprising a housing, optical elements, circuit control means, appropriate computer facilities and software prog... | 10/30/1990 |
| 4940323 | Light stimulator A light stimulator device which tests and therapeutically stimulates the neurovisual system by visible light. It utilizes a balanced spectrum, magnetic, plasmatic light source (32) with different color filters (20) and different apertures (18) interposed ... | 07/10/1990 |
| 4848898 | Apparatus for testing color vision To provide for an easy and accurate color vision tester, a plurality of yellow, red and green lights are mounted, or projected, onto a display, with the yellow lights providing for the background luminance while the red and green lights providing for a mi... | 07/18/1989 |
| 4798458 | Anomaloscope An anomaloscope for testing the human color sense which includes an optical device for producing a stimulus field including a red/green light mix and light of a yellow spectral color, a device for the mixing of the spectral colors green and red by apporti... | 01/17/1989 |
| 4765731 | Solid state color vision testing system A system for examining the color vision response of a human being utilizes substantially identical multicolor LEDs to function as reference and comparison color light sources. In one embodiment, the colors emitted by the LEDs are controlled by respectivel... | 08/23/1988 |
| 4365521 | Device for the fine adjustment in all three directions of space of an instrument arranged on a base A device for the fine adjustment in all three directions in space of an instrument arranged on a base by means of an actuating member. The actuating member consists of a handle the turning of which acts, via a universal joint, on the parts of the base ada... | 12/28/1982 |
| 4285580 | Color vision perception testing device A controlled color source used in testing color vision perception includes a cathode ray tube capable of producing the three primary colors and at least one photo-detector array coupled directly to the tube screen for sensing the primary color output of t... | 08/25/1981 |
| 3970376 | Device for testing color vision The color vision of a subject to be tested is evaluated by the presentation of a series of test panels having different colors to the subject. Each pair of test panels has prescribed maximum emission values over established wavelength ranges and wavelengt... | 07/20/1976 |
| 3947099 | Solid state color anomaloscope Apparatus for evaluation a human subject's color vision response including light emmiting diodes providing luminance in the yellow and red and green color spectrums, means for controlling the individual luminescence of the red and green diodes in an inver... | 03/30/1976 |
