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Class 351/246 - Methods of use


Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter including the methods of operating or utilizing
No. of patents: 543
Last issue date: 05/22/2012


                    14  
NumberTitleIssue Date
4187005Microscope support system for use in examining eyes in vivo and enucleated
A system is provided for supporting and positioning a corneal endothelium microscope to permit: (1) examination of the corneal endothelium of an eye in vivo; and (2) examination of the corneal endothelium of an enucleated eye. The system includes a suppor...
02/05/1980
4179195Method and apparatus for determining the strabismus angle between the optical axes of a fixing and a strabismic eye
A method and apparatus for determining the strabismus angle between the optical axes of a fixing and of a strabismic eye, characterized in that from two light sources, the spacing of which from one another is adjusted to the pupillary distance of the fixi...
12/18/1979
4162828Apparatus and methods for directly measuring the refraction of the eye
Optometer apparatus for directly measuring the refraction of the eye and methods therefor are provided in accordance with the teachings of the present invention. According to an exemplary embodiment of the present invention, a double slit, Scheiner princi...
07/31/1979
4159867Device and method for measuring the curvature of the cornea
A device and method are disclosed for measuring the curvature of the cornea of the human eye. The device utilizes a continuous, curved surface plate positioned in front of the eye and having a telescope extending through the surface plate such that its op...
07/03/1979
4155632Method and apparatus for testing vision
The disclosure relates to a method and apparatus for testing eyesight in the presence of controlled varying degrees of contrast at a target which is being viewed. The contrast ratio of the illumination of the portion of a target having a series of test pa...
05/22/1979
4145122Method and apparatus for monitoring the position of the eye
This invention relates to an apparatus for monitoring the position of the eye and generating an electrical signal based upon its displacement from a neutral position, such apparatus being characterized by a pair of eyeglasses modified to provide an infrar...
03/20/1979
4135791Reduced glare scanner
Method and apparatus for reduced glare observation of the eye fundus through optical lenses is accomplished by synchronized scanning illumination and observation of successive portions of the fundus. The scanning is conducted in rapid cycles to obtain con...
01/23/1979
4134647Contact lens for examining the interior of the eye
The inner walls of the eye, i.e., the fundus, are examined in panorama with an optical lens comprising a truncate paraboloidal mirror and a corneal contact objective lens. While held in contact with the cornea, the fundus is observed by projecting a light...
01/16/1979
4131338Measurement of interpupillary distance
Measurement of interpupillary distance is facilitated by providing a spectacle frame or the like to be worn by the optometrist, bearing at least two and preferably three indicia on said frame, in positions respectively adjacent the temples of the frame, a...
12/26/1978
4105302Automatic refraction apparatus and method
Apparatus and method provide for automatically measuring the refractive error of a subject's eye and thus the prescription for lens or eye glasses for correcting this error. Under the control of a programmed automatic data processing system, an objective ...
08/08/1978
4105303Method for determining the refractive correction for an eye
An improved method is disclosed for determining the refractive correction for an eye. The method is an improvement over the method described by W. E. Humphrey in his U.S. Pat. No. 3,947,097. The improved method uses apparatus having only one variable asti...
08/08/1978
4056310Method and device for ophthalmoscopy
A method and device for ophthalmoscopy for observing fundus oculi by a binocular ophthalmoscope through a contact lens arranged in contact with an eyeball to be observed, said method and device for ophthalmoscopy enabling to observe the fundus by a multip...
11/01/1977
4026638Reduced glare scanner
Method and apparatus for reduced glare observation of the eye fundus through optical lenses is accomplished by synchronized scanning illumination and observation of successive portions of the fundus. The scanning is conducted in rapid cycles to obtain con...
05/31/1977
4012128Method and apparatus for determining visual latency
Apparatus and methods for testing temporal resolution of vision in a human subject are disclosed in which a light source is repetitively energized to produce pairs of visual stimuli, and the time interval between two stimuli in each pair is varied so as t...
03/15/1977
3984156Objective plotting of visual fields by eye movement monitoring
An apparatus for measuring and evaluating a subject's visual field presents a target image, consisting of a spot of light, at a series of selected locations within the subject's visual field. Means are provided to monitor his resulting eye movement and po...
10/05/1976
3970376Device 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
3947186Eye-test lens and method
The invention is a test lens made to fit a standard optometrist's trial-lens frame. The lens is a crossed-cylinder astigmator of about &#b1; 5 diopter strength, preferably formed by cementing together a first planoconvex cylinder lens of about 5 diopter s...
03/30/1976
3947097Process and apparatus for astigmatic and spherical subjective testing of the eye
An apparatus and process for determining subjective astigmatic and spherical prescription for the eye is disclosed. A target, consisting of a straight line, is focused for maximum clarity by the adjustment of spherical optics, causing the line to become p...
03/30/1976
3944343Light inclining accessory for slit lamp
A light inclining accessory for a slit lamp includes a multi-faceted mirror having a top segment for receiving an illumination beam from the slit lamp and directing the illumination beam horizontally toward a focal point coinciding with the eye of a patie...
03/16/1976
3936162Night vision testing method and apparatus
A subject whose vision is to be tested wears a face mask having an eyepiece in which is mounted a light-emitting diode connected to means for varying the light intensity of the diode in a time ordered sequence. The level of light intensity is also numeric...
02/03/1976
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