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Class Information
Number: 351/206
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Objective type > Including eye photography
Description: Subject matter includes still or motion-picture apparatus for photographing the interior of the eye.










Sub-classes under this class:

Class Number Class Name Patents
351/208 Having means to detect proper distance or alignment (i.e., eye to instrument) 311
351/207 Having spurious reflection blocking 45


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
5841509 Electro-optic binocular indirect ophthalmoscope Nov. 24, 1998
5835189 Method and apparatus for assessing an ophthalmic patient before and after medical or surgical intervention such as laser surgery Nov. 10, 1998
5812240 Eyeball observing device having an ultrasonic detector Sep. 22, 1998
5790235 Method and apparatus to measure pupil size and position Aug. 4, 1998
5784146 Ophthalmic measurement apparatus Jul. 21, 1998
5784148 Wide field of view scanning laser ophthalmoscope Jul. 21, 1998
5777340 Ophthalmic photographic device Jul. 7, 1998
5767941 Servo tracking system utilizing phase-sensitive detection of reflectance variations Jun. 16, 1998
5757461 Method for displaying a photographing point of a cornea in an apparatus for obtaining video images of corneal cells May. 26, 1998
5757462 Ophthalmic apparatus for photographing a section of an anterior part of an eye May. 26, 1998
5751395 Retinal diagnostic device May. 12, 1998
5745163 Ocular fundus camera Apr. 28, 1998
5742374 Fundus camera Apr. 21, 1998
5713047 Eye fundus photographing apparatus Jan. 27, 1998
5706071 Line of sight detection apparatus and an equipment having the line of sight detection apparatus Jan. 6, 1998
5694197 Corneal shape measuring apparatus Dec. 2, 1997
5686981 Ophthalmologic device for accurately positioning a contact lens to an eye Nov. 11, 1997
5677750 Apparatus for and method of simulating ocular optical system Oct. 14, 1997
5668621 Hand-held fundus camera with shared light path Sep. 16, 1997
5663781 Apparatus for the examination of objects and the determination of topography Sep. 2, 1997
5657109 Method of detecting eye component information for determining sight axis direction and sight axis direction detection apparatus Aug. 12, 1997
5640220 Apparatus and method for determining characteristics of a human retina using entoptically observed leukocytes and other psychophysical phenomenona Jun. 17, 1997
5630179 Ophthalmological imaging apparatus May. 13, 1997
5621488 Apparatus for imaging and diagnosing a cornea Apr. 15, 1997
5617156 Fundus camera Apr. 1, 1997
5608472 Eye imaging system Mar. 4, 1997
5599276 Diopter value viewing means for a video ophthalmoscope Feb. 4, 1997
5594512 Ophthalmological photographing instrument Jan. 14, 1997
5570698 System for monitoring eyes for detecting sleep behavior Nov. 5, 1996
5565938 Ophthalmologic apparatus having improved display capability Oct. 15, 1996
5557321 Fundus camera or opthalmic apparatus comprising a flash light source system Sep. 17, 1996
5557349 Fundus camera for infrared fluorsein angiography Sep. 17, 1996
5548354 Method for observing and photographing a cornea and apparatus for the same Aug. 20, 1996
5543865 Fundus camera with partially common coaxial observation and photographing optical systems Aug. 6, 1996
5537163 Ophthalmologic apparatus with automatic focusing using two reference marks and having an in-focus detecting system Jul. 16, 1996
5537162 Method and apparatus for optical coherence tomographic fundus imaging without vignetting Jul. 16, 1996
5530493 Ophthalmic instrument capable of adjusting the quantity of illumination based on the sensitivity of the finder system Jun. 25, 1996
5530494 Opthalmic photographing apparatus having photographic light amount correction input means Jun. 25, 1996
5517261 Focusing method for a corneal topographer May. 14, 1996
5508759 Visual axis detection apparatus Apr. 16, 1996
5506632 Ophthalmologic apparatus having an electrical magnifier Apr. 9, 1996
5506633 Device for ERG spectral perimetry Apr. 9, 1996
5504543 Ophthalmic photographing apparatus having control means for stopping the operation and fixing the in-focus state Apr. 2, 1996
5504542 Stereoscopic retinal camera having judging mechanism of alignment condition Apr. 2, 1996
5502520 Method and apparatus for detecting eye disorders Mar. 26, 1996
5455644 Ophthalmologic apparatus having an examining system for examining the fundus of an eye Oct. 3, 1995
5446509 Eye fundus photographing apparatus and eye fundus camera for changing magnification with which an object is photographed Aug. 29, 1995
5436679 Apparatus for observing and photographing a corneal endothelium Jul. 25, 1995
5432569 Illumination optical system of an ophthalmologic instrument Jul. 11, 1995
5430509 Scanning laser ophthalmoscope Jul. 4, 1995

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