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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
5424788 Slit lamp microscope Jun. 13, 1995
5420650 Eye examining apparatus including an eye refraction measuring system and eye fundus examining system May. 30, 1995
5412442 Apparatus for photographing a corneal endothelium May. 2, 1995
5404884 Method and apparatus for imaging and analysis of corneal tissue Apr. 11, 1995
5396302 Apparatus for producing the image of an object Mar. 7, 1995
5394199 Methods and apparatus for improved visualization of choroidal blood flow and aberrant vascular structures in the eye using fluorescent dye angiography Feb. 28, 1995
5382987 Device for ERG spectral perimetry Jan. 17, 1995
5382988 Stereoscopic retinal camera with focus detection system Jan. 17, 1995
5381194 Apparatus for photographing a corneal endothelium Jan. 10, 1995
5374967 Ophthalmological image processing system Dec. 20, 1994
5371557 Stereoscopic retinal camera Dec. 6, 1994
5371558 Ophthalmic apparatus Dec. 6, 1994
5355253 Stereoscopic retinal camera Oct. 11, 1994
5349398 Ophthalmometer system Sep. 20, 1994
5341180 Ophthalmic photographing apparatus Aug. 23, 1994
5339120 Retina evaluation reticle apparatus Aug. 16, 1994
5337094 Eye observation apparatus Aug. 9, 1994
5315329 Simultaneous stereo fundus camera May. 24, 1994
5311225 Device for determining the portion of a field seen by the eye of an observer May. 10, 1994
5309186 Eye refractive power measuring apparatus having opacity discriminant function of crystalline lens May. 3, 1994
5303709 Retinal eye disease diagnostic system Apr. 19, 1994
5302988 Stereoscopic retinal camera including vertically symmetrical apertures Apr. 12, 1994
5300964 Fundus camera Apr. 5, 1994
5297554 Device for use in real-time monitoring of human or animal bodily function Mar. 29, 1994
5291560 Biometric personal identification system based on iris analysis Mar. 1, 1994
5291231 Opthalmological image processing system Mar. 1, 1994
5287129 Fundus camera Feb. 15, 1994
5280313 Ophthalmic measuring apparatus Jan. 18, 1994
5279298 Method and apparatus to identify and treat neovascular membranes in the eye Jan. 18, 1994
5262806 Photo-deviometer Nov. 16, 1993
5255026 Stereo eye fundus camera Oct. 19, 1993
5252998 Contact eyeglass Oct. 12, 1993
5250966 Ophthalmic photographing apparatus having a displacement measurement unit Oct. 5, 1993
5249004 Microscope for an operation Sep. 28, 1993
5247318 Fundus camera for photography using a fluorescent agent Sep. 21, 1993
5237350 Ophthalmic photographic apparatus using a fluorescent agent Aug. 17, 1993
5237356 Fundus camera photographic optical system Aug. 17, 1993
5233372 Illuminating optical device Aug. 3, 1993
5227818 Apparatus for determining the contour of the cornea of a human eye Jul. 13, 1993
5225859 Apparatus and method for capture and processing of ocular and retinal images Jul. 6, 1993
5216456 Optical device for use with a slit lamp biomicroscope Jun. 1, 1993
5214454 Fundus camera May. 25, 1993
5214456 Mapping of corneal topography with display of pupil perimeter May. 25, 1993
5210554 Pupil pathway analyzer May. 11, 1993
5208619 Automatic refractor, lensmeter and keratometer utilizing Badal optics May. 4, 1993
5202708 Apparatus for photographic retroillumination image on eyeground Apr. 13, 1993
5196872 Data acquistion and pupil tracking apparatus for an ophthalmologocial instrument Mar. 23, 1993
5189556 Color photography optical system Feb. 23, 1993
5181055 Fundus camera Jan. 19, 1993
5177512 Eyeball microscope Jan. 5, 1993

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19










 
 
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