Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Health & Medicine
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
5157428 Spectral division of reflected light in complex optical diagnostic and therapeutic systems Oct. 20, 1992
5152295 Fundus examination device Oct. 6, 1992
5140352 CCD camera and method for fundus imaging Aug. 18, 1992
5139022 Method and apparatus for imaging and analysis of ocular tissue Aug. 18, 1992
5137345 Apparatus for monitoring physiolgical data to detect drug impairment Aug. 11, 1992
5129400 Ophthalmological measurement method and apparatus Jul. 14, 1992
5125730 Portable dynamic fundus instrument Jun. 30, 1992
5120122 Simultaneous stereo fundus camera Jun. 9, 1992
5118179 Opthalmological photographing instrument Jun. 2, 1992
5116116 Ophthalmological diagnosis method May. 26, 1992
5114222 Method and apparatus for perimetry May. 19, 1992
5094521 Apparatus for evaluating eye alignment Mar. 10, 1992
5074307 Ophthalmological diagnosis apparatus Dec. 24, 1991
5048946 Spectral division of reflected light in complex optical diagnostic and therapeutic systems Sep. 17, 1991
5046835 Apparatus for testing visual functions of human eyes Sep. 10, 1991
5042937 Optical system for an ophthamological instrument for examination of pupillary responses Aug. 27, 1991
5042939 Laser scanning type eye fundus camera Aug. 27, 1991
5037194 Ophthalmologic apparatus and method of compounding the image of an eye to be examined Aug. 6, 1991
5031632 Method for the instrumentation of sizes of retinal vessels in the fundus and apparatus therefor Jul. 16, 1991
5024520 Ophthalmic measurement apparatus Jun. 18, 1991
5009498 Interchangeable keratoscope device Apr. 23, 1991
5000181 Noncontact type tonometer Mar. 19, 1991
4993825 Device for photographing eye movement Feb. 19, 1991
4991953 Scanning laser vitreous camera Feb. 12, 1991
4989968 Photoscreening camera system Feb. 5, 1991
4988183 Eye movement inspection device Jan. 29, 1991
4968130 Laser beam scanning type ophthalmological instrument Nov. 6, 1990
4952050 Ophthalmological diagnosis method and apparatus Aug. 28, 1990
4950070 Ophthalmological diagnosis method and apparatus Aug. 21, 1990
4936673 Diffusion platelet in combination with a slit lamp Jun. 26, 1990
4933756 Eye fundus camera Jun. 12, 1990
4900144 Three-dimensional shape measurement apparatus Feb. 13, 1990
4867554 Surface examining apparatus Sep. 19, 1989
4856891 Eye fundus tracker/stabilizer Aug. 15, 1989
4856890 Ophthalmic photographing device Aug. 15, 1989
4854692 Ophthalmic examination apparatus Aug. 8, 1989
4848897 Ophthalmological diagnosis apparatus Jul. 18, 1989
4848895 Automatic eye refractive power measuring apparatus Jul. 18, 1989
4842401 Eye diagnosis process Jun. 27, 1989
4838680 Optical system for retinal camera Jun. 13, 1989
4838679 Apparatus for, and method of, examining eyes Jun. 13, 1989
4834528 Infrared photoretinoscope May. 30, 1989
4834526 Eye fundus camera having automatic exposure control means May. 30, 1989
4828381 Automatic visibility correction viewfinder system for optical devices May. 9, 1989
4824238 Comparator for optic disc analysis and method of use thereof Apr. 25, 1989
4820037 Apparatus for measuring the refractive power of an eye Apr. 11, 1989
4820039 Medical apparatus for diagnosing eye conditions Apr. 11, 1989
4812033 Ophthalmic apparatus Mar. 14, 1989
4810084 Retinal camera Mar. 7, 1989
4807989 Surgical microscope system Feb. 28, 1989

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










 
 
  Recently Added Patents
Monitoring of undesirable fluid ingress into subsea control modules
Liquid formulations of carboxamide arthropodicides
Device and method for producing a fluidic connection between cavities
Method of forming wafer level mold using glass fiber and wafer structure formed by the same
System for controlled release of an active principle and method for preparation
Display device and method of repairing display device
Device with a floating head having a heater element
  Randomly Featured Patents
Methods and systems for electronic virtual races
Support apparatus and method for assisted traversal of a structure
Ultra high resolution wave focusing method and apparatus and systems employing such method and apparatus
Agent training sensitive call routing system
Push button assembly
Method and an apparatus for secure register access in electronic device
Method and apparatus for detecting and classifying contaminants in water
Method and apparatus for closing a tubular knitted article at one of its axial ends, at the end of its production cycle on a circular knitting machine for hosiery or the like
Unique modular construction for use as a forming fabric in papermaking or tissue or nonwovens
Rotary electric machine