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Browse by Category: Main > Health & Medicine
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:
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Patent Number Title Of Patent Date Issued
8596784 Opthalmology photographing apparatus Dec. 3, 2013
8398237 Device and method for optically measuring the transmission and diffusion of ocular media Mar. 19, 2013
8393735 Fundus camera objective and camera having such fundus camera objective Mar. 12, 2013
8308299 Lenslet array for retinal oximetry Nov. 13, 2012
8292434 White light emitting diode (LED) illuminator for ophthalmic endoillumination Oct. 23, 2012
8277048 Ophthalmic endoillumination using fiber generated light Oct. 2, 2012
8192025 Non-contact optical coherence tomography imaging of the central and peripheral retina Jun. 5, 2012
8142018 Reflectance measurement of macular pigment using multispectral imaging Mar. 27, 2012
8118429 Systems and methods of phase diversity wavefront sensing Feb. 21, 2012
8092022 Opthalmology photographing apparatus Jan. 10, 2012
7997732 Lenslet array for retinal oximetry Aug. 16, 2011
7988295 Laser control with phase plate feedback Aug. 2, 2011
7914147 Systems and methods for optical detection of lipofuscin concentrations in a subject's eye Mar. 29, 2011
7896498 Apparatus and method for optical measurements Mar. 1, 2011
7695141 Ocular light stimulus apparatus Apr. 13, 2010
7670001 Reflectance measurement of macular pigment using multispectral imaging Mar. 2, 2010
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
5557350 Ophthalmometric apparatus with alignment device including filter means Sep. 17, 1996

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