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Class 351/239 - Including test chart or target


Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter including charts with movable or stationary
No. of patents: 185
Last issue date: 02/28/2012


1          
NumberTitleIssue Date
8123356Amplitude of accommodation measuring apparatus
Shift lenses 20L, 20R are provided on optical axes that pass through LCDs 40L, 40R for displaying an image for focusing. The shift lenses 20L, 20R are moved along the optical axes by pressing a focus button provided on a cas...
02/28/2012
8100533Apparatus and method for screening for glaucoma using visually evoked potentials
A pattern VEP system for screening for glaucoma and other optic nerve related diseases/deficiencies. The system combines high contrast and low contrast testing. The low contrast testing allows for highly sensitive glaucoma testing and the high contrast allows for a ...
01/24/2012
8092025System and method for detecting central retinal distortions associated with macular diseases
Provided herein are methods and systems to screen for subjects at risk for retinal-associated eye diseases or to monitor the progression/regression thereof. Generally, the method comprises simultaneously or sequentially displaying to a potentially at-risk individual...
01/10/2012
8083353Animated image vision test
Animated image vision tests take advantage of the ability of our eyes to detect both distance and motion. Moving images, such as rotating segmented circles, let the eyes detect motion as to the size, distance, and rotation direction of that moving image. That motion...
12/27/2011
8042946Contrast sensitivity test
Methods and apparatus are provided for measuring contrast sensitivity. In one method, a person is presented with a test pattern having several test areas. In a first test cycle, one of the test areas contrasts with (for example, is darker than) the other test areas....
10/25/2011
8038297Multifunctional glare tester
A vision-testing device is disclosed that measures glare, macular photostress, and the blue-field entopic phenomenon. Utilizing a mirror, the effective brightness of a small energy efficient light bulb is increased which allows a compact assembly. One embodiment pla...
10/18/2011
7997733System, apparatus and method for correcting vision with an adaptive optic
An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active...
08/16/2011
7946707Eye dominance evaluation apparatus and method
There is disclosed apparatus and method for a test of eye dominance of human subjects for which on each 10-sec trial, one eye starts with a strong image that gets progressively weaker or does not get progressively stronger, while, at the same time, the other eye get...
05/24/2011
7926948Astigmatic axis independent spatial frequency and contrast sensitivity target and method
A set of visual targets and a method for using these targets to evaluate the spatial frequency response and contrast sensitivity of the human visual system. The invention includes four choice test, six choice test, sinusoidal bulls eye and fundamental sinusoidal let...
04/19/2011
7771052Method for performing a contrast vision test
The invention relates to a method for performing a contrast vision test on a subject in order to determine a contrast sensitivity function. According to said method, an image of a continuous sinusoidal grid is presented to the subject for viewing, the spatial freque...
08/10/2010
7748847Correction of presbyopia using adaptive optics and associated methods
Devices, systems, and methods measure, diagnose, and/or treat one or both eyes of a patient. Adaptive optics systems (such as those having a deformable mirror) may be configured to an aspherical or multi-spherical presbyopia-mitigating prescriptive shape to allow ob...
07/06/2010
7708410Correction of presbyopia using adaptive optics and associated methods
Devices, systems, and methods measure, diagnose, and/or treat one or both eyes of a patient. Adaptive optics systems (such as those having a deformable mirror) may be configured to an aspherical or multi-spherical presbyopia-mitigating prescriptive shape to allow ob...
05/04/2010
7641344Device and method to determine the contrast sensitivity of an individual's visual system
A device to determine the contrast sensitivity of an individual's visual system by means of a series of tests in a measurement session, comprising a means for producing real time digital images, corresponding to modulated visual stimuli; and a display means for pres...
01/05/2010
7568801Optotype presenting apparatus
An optotype presenting apparatus of a display type with which a polarization red-green test with accuracy can be performed has a display, a polarization optical member including first and second optical regions changing light from the display into light having perpe...
08/04/2009
7537343Optotype presenting apparatus
An optotype presenting apparatus for testing a visual function of an eye of an examinee comprises: a display unit including a display which displays various optotypes by controlling a number of pixels and a memory in which the optotypes to be displayed on the displa...
05/26/2009
7441900Contrast chart device, contrast sensitivity measuring device and contrast sensitivity measuring method
A contrast chart device of the present invention comprises a contrast target presenting part for presenting a contrast target for a contrast sensitivity test at prescribed timing; a pupil data measuring part for producing an image of an anterior ocular segment of a ...
10/28/2008
7438417Ophthalmic diagnostic apparatus for different types of tests
An ophthalmic diagnostic apparatus, includes a first body (6), for viewing from a given position (4) and a second body (7, 8), for viewing from the position (4), each embodied for display of ophthalmic test patterns, the second body (7...
10/21/2008
7429109Optometric apparatus and lens power determination method
An optometric apparatus and an optometric method which perform an accurate eye examination on people who have a wide range of refractive powers with astigmatism, myopia or hyperopia, and which are also applicable especially to those with mixed astigmatism are provid...
09/30/2008
7427137Visual acuity testing
Eye chart for testing visual acuity which includes a plurality of optotypes arranged in a plurality of lines with each optotype in a line having a uniform resolution throughout and the resolution for each optotype in a given line is the same. The optotypes are gener...
09/23/2008
7419263Device and method for assisting development of an infant's visual acuity and for transferring a mother's scent to an infantile environment
A device for assisting the development of an infant's visual acuity and for transferring the mother's scent to an infantile environment. Supple fabric contacts an area of the mother's body for absorbing a portion of the mother's scent and is thereafter transferred a...
09/02/2008
7407290Method 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
7393104Ophthalmic testing unit and ophthalmic testing equipment
When a Landolt ring optotype is presented in a visual acuity testing unit, an examinee answers a position of a slit of the optotype through an operation of a joystick lever or the like. If an examinee gives a right answer within a standard time at a first presentati...
07/01/2008
7390090Ocular measurement apparatus and method
According to an aspect of the present invention, there is provided a measurement apparatus for measuring a property of an eye of a subject, having a target arranged to be viewed by the subject, the target including a first light and a second light arranged to underg...
06/24/2008
7390091Vision testing apparatus
A vision test apparatus includes a viewing assembly connected to a chassis wherein the viewing assembly creates an optical path between an image display and at least one front lens. A near/far assembly includes a secondary lens selectively operable with the front le...
06/24/2008
7387387Correction of presbyopia using adaptive optics and associated methods
Devices, systems, and methods measure, diagnose, and/or treat one or both eyes of a patient. Adaptive optics systems (such as those having a deformable mirror) may be configured to an aspherical or multi-spherical presbyopia-mitigating prescriptive shape to allow ob...
06/17/2008
7367675Vision testing system
A method and apparatus are provided for testing the vision of a human subject using a series of eye tests (310). A test setup procedure (312) is run to adjust the settings of a display device (1914) such that graphic objects displayed on the dev...
05/06/2008
7357508Eye test chart apparatus
An eye test chart includes a visual target for multiple test purposes composed of patterns of combinations of at lest two or more kinds of colors and predetermined shapes that are arranged at predetermined positions on an image area corresponding to visual field reg...
04/15/2008
7354156Naturoptic method for restoring healthy vision
A method for restoring healthy vision includes first establishing a visual target, then having the subject keep horizontal and vertical lines, through the center of the plane of the target, respectively parallel to corresponding horizontal and vertical lines through...
04/08/2008
7354155Astigmatic axis independent spatial frequency and contrast sensitivity target and method
A set of visual targets and a method for using these targets to evaluate the spatial frequency response and contrast sensitivity of the human visual system. The invention includes four choice test, six choice test, sinusoidal bulls eye and fundamental sinusoidal let...
04/08/2008
7350921iQueVision: 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
7344249Ophthalmic apparatus
An ophthalmic apparatus for examining and evaluating a visual function of an eye of a patient, includes: a presentation unit which presents an examination target to the patient's eye; a storage unit which stores therein subjective information obtained from the patie...
03/18/2008
7341350Method for evaluating and measuring accommodation amplitude and range and a device for employing same
A method for evaluating and measuring accommodation amplitude in one or both eyes of a person by subjecting the person to a near-vision visual acuity test comprising a target having optotypes displayed thereon, different targets having different sized optotypes, det...
03/11/2008
7338171Method and apparatus for visual drive control
In a method and apparatus for visual drive control, a set of flickering images that flicker at the same flicker frequency and that are associated with mutually distinct flicker patterns are simultaneously presented for viewing by an observer. Thereafter, evoked sign...
03/04/2008
7338165Systems and methods for prediction of objective visual acuity based on wavefront measurements
Methods, devices, and systems for predicting an optical acuity measure of an optical system of an eye. An optical acuity measure can be predicted by determining a point spread function based on a wavefront measurement of an eye, convolving a resolution target with t...
03/04/2008
7296895Sequential scanning wavefront measurement and retinal topography
An improved sequential scanning method and apparatus for measuring wavefront aberration involves angularly displacing a measurement beam from a parallel beam striking the corneal surface at a desired location and using the displacement of an image on a detector betw...
11/20/2007
7287857Method and apparatus for performing vision screening
The present invention relates to a vision screening system and a method for using the system to easily perform screenings for vision disorders, including amblyopia in children using only one examiner. The system includes a lightweight, portable apparatus having a su...
10/30/2007
7278742Systems and apparatus for assessment of visual field functions
Systems, apparatus and associated methods for use in the assessment of visual field functions. In particular, perimetry testing and visual evoked potential (VEP) testing is performed by a visual display device adapted to display visual stimulus patterns and a means ...
10/09/2007
7267437Biomimicking 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
7267439Optometric apparatus, optometric method, and optometric server
An optometric apparatus and an optometric method includes the steps of acquiring subject's attributes and an orientation selected by the subject on an astigmatic axis determination chart displayed on the computer screen, displaying vision measurement charts in the a...
09/11/2007
7264356Techniques 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
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