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Class Information
Number: 351/213
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Objective type > Including light filter or absorber
Description: Subject matter including a filter or absorber wherein a light beam directed into a patient"s eye is of a specific color or wave length, or wherein the luminous intensity of the light is weakened to a desired magnitude by appropriate absorbers.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7543939 |
Device and method for recording and representing images of a test object |
Jun. 9, 2009 |
| 7512436 |
Method of evaluating metabolism of the eye |
Mar. 31, 2009 |
| 7465050 |
Method and apparatus for three-dimensional video-oculography |
Dec. 16, 2008 |
| 7452079 |
System and method for inducing and measuring a consensual pupillary response |
Nov. 18, 2008 |
| 7441896 |
Macular pigment measurements |
Oct. 28, 2008 |
| 7444057 |
Variable-wedge rotating-disk beam attenuator for ophthalmic endoilluminator |
Oct. 28, 2008 |
| 7429107 |
Ophthalmic photography apparatus |
Sep. 30, 2008 |
| 7370967 |
Method and apparatus for optical imaging of retinal function |
May. 13, 2008 |
| 7354153 |
Fundus camera |
Apr. 8, 2008 |
| 7338164 |
Systems and methods for eye aberration and image sensor orientation |
Mar. 4, 2008 |
| 7287855 |
Method and system for removing the effects of corneal birefringence from a polarimetric image of the retina |
Oct. 30, 2007 |
| 7284856 |
Method for designing color filters which improve or modify color vision of human eye, and color filter means designed by the method |
Oct. 23, 2007 |
| 7281799 |
Corneal topography slit image alignment via analysis of half-slit image alignment |
Oct. 16, 2007 |
| 7258442 |
Eye fundus photographing system |
Aug. 21, 2007 |
| 7255442 |
Device for measuring aberrations in an eye-type system |
Aug. 14, 2007 |
| 7234815 |
Optical viewing device having an apparatus for partial reduction of the illumination intensity |
Jun. 26, 2007 |
| 7222961 |
Method for detecting a functional signal in retinal images |
May. 29, 2007 |
| 7198367 |
Fundus imaging apparatus and fundus imaging method |
Apr. 3, 2007 |
| 7134755 |
Customized lenses |
Nov. 14, 2006 |
| 7048379 |
Imaging lens and illumination system |
May. 23, 2006 |
| 6574432 |
Fundus camera |
Jun. 3, 2003 |
| 6487368 |
Fundus photographing device |
Nov. 26, 2002 |
| 6312423 |
Laser treatment apparatus |
Nov. 6, 2001 |
| 6258081 |
Arrangement for laser coagulation |
Jul. 10, 2001 |
| 6158865 |
Color enhancing filter and method of employing a color enhancing filter to improve human eye vision |
Dec. 12, 2000 |
| 6099126 |
Sunlight sensitivity tester |
Aug. 8, 2000 |
| 5774202 |
Method and optical means for improving or modifying color vision and method for making said optical means |
Jun. 30, 1998 |
| 5757460 |
Combination ophthalmic device |
May. 26, 1998 |
| 5671039 |
Glare tester |
Sep. 23, 1997 |
| 5640220 |
Apparatus and method for determining characteristics of a human retina using entoptically observed leukocytes and other psychophysical phenomenona |
Jun. 17, 1997 |
| 5634923 |
Safety filter for an ophthalmic therapeutic and/or diagnostic instrument |
Jun. 3, 1997 |
| 5617156 |
Fundus camera |
Apr. 1, 1997 |
| 5565938 |
Ophthalmologic apparatus having improved display capability |
Oct. 15, 1996 |
| 5557349 |
Fundus camera for infrared fluorsein angiography |
Sep. 17, 1996 |
| 5557350 |
Ophthalmometric apparatus with alignment device including filter means |
Sep. 17, 1996 |
| 5506633 |
Device for ERG spectral perimetry |
Apr. 9, 1996 |
| 5473392 |
Method and system for topographic measurement |
Dec. 5, 1995 |
| 5467151 |
Eye refractometer having variable wavelength illumination means |
Nov. 14, 1995 |
| 5382987 |
Device for ERG spectral perimetry |
Jan. 17, 1995 |
| 5345340 |
Plural pass vision system |
Sep. 6, 1994 |
| 5315329 |
Simultaneous stereo fundus camera |
May. 24, 1994 |
| 5309185 |
Apparatus and method for objective quantitative assessment of human ocular coordination |
May. 3, 1994 |
| 5302988 |
Stereoscopic retinal camera including vertically symmetrical apertures |
Apr. 12, 1994 |
| 5287129 |
Fundus camera |
Feb. 15, 1994 |
| 5283697 |
Passive protection of optically sensitive materials with tarnsition-metal organometallic cluster compounds |
Feb. 1, 1994 |
| 5247318 |
Fundus camera for photography using a fluorescent agent |
Sep. 21, 1993 |
| 5237350 |
Ophthalmic photographic apparatus using a fluorescent agent |
Aug. 17, 1993 |
| 5200772 |
Filter apparatus for retinoscope |
Apr. 6, 1993 |
| 5189449 |
Retinoscope with external control sleeve |
Feb. 23, 1993 |
| 5173811 |
Nonlinear optical shield |
Dec. 22, 1992 |
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