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Class Information
Number: 351/215
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Objective type > Including light polarizing means
Description: Subject matter including a light polarizer wherein the light which is directed into or emerges from the eye of a patient is polarized to avoid reflexes and to obtain the greatest possible intensity of illumination and image-clarity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7500754 |
Ophthalmologic imaging apparatus |
Mar. 10, 2009 |
| 7484849 |
Ophthalmologic observation apparatus |
Feb. 3, 2009 |
| 7441898 |
Method and apparatus for detecting natural modes of vibration of an eye by laser interferometry, and an application thereof to measuring intraocular pressure |
Oct. 28, 2008 |
| 7416304 |
Ophthalmic observation apparatus |
Aug. 26, 2008 |
| 7380939 |
Method and arrangement for the measurement of the anterior segment of the eye |
Jun. 3, 2008 |
| 7290882 |
Hand held device and methods for examining a patient's retina |
Nov. 6, 2007 |
| 7286227 |
Method and system for removing the effects of corneal birefringence from a polarimetric image of the retina |
Oct. 23, 2007 |
| 7278740 |
Ophthalmic apparatus |
Oct. 9, 2007 |
| 7011411 |
Eye's optical characteristic measuring system |
Mar. 14, 2006 |
| 6932475 |
Device for measuring aberration refraction of the eye |
Aug. 23, 2005 |
| 6814441 |
Apparatus for measurement of polarized distribution, polarizing filter for using therein and polarizing filter assembly |
Nov. 9, 2004 |
| RE38590 |
Operation apparatus for correcting ametropia with laser beam |
Sep. 14, 2004 |
| 6704106 |
Method and system for canceling system retardance error in an ophthalmological polarimeter |
Mar. 9, 2004 |
| 6565210 |
Ocular optical characteristic measuring apparatus |
May. 20, 2003 |
| 6540357 |
Glaucoma diagnosis apparatus |
Apr. 1, 2003 |
| 6527390 |
Eye viewing device for large field viewing |
Mar. 4, 2003 |
| 6394603 |
Ophthalmic apparatus |
May. 28, 2002 |
| 6112114 |
Eye examination apparatus employing polarized light probe |
Aug. 29, 2000 |
| 5875019 |
System for the determination, the evaluation and the control of the refractive and accommodative status of the eye |
Feb. 23, 1999 |
| 5861939 |
Portable fundus viewing system for an undilated eye |
Jan. 19, 1999 |
| 5861938 |
Portable scanning laser ophthalmoscope |
Jan. 19, 1999 |
| 5822035 |
Ellipsometer |
Oct. 13, 1998 |
| 5787890 |
Eye examination apparatus employing polarized light probe |
Aug. 4, 1998 |
| 5784148 |
Wide field of view scanning laser ophthalmoscope |
Jul. 21, 1998 |
| 5726735 |
Measurement device with polarizing filter for noise elimination |
Mar. 10, 1998 |
| 5719659 |
Ophthalmic apparatus having light polarizing means |
Feb. 17, 1998 |
| 5673097 |
Portable scanning laser ophthalmoscope |
Sep. 30, 1997 |
| 5640220 |
Apparatus and method for determining characteristics of a human retina using entoptically observed leukocytes and other psychophysical phenomenona |
Jun. 17, 1997 |
| 5543865 |
Fundus camera with partially common coaxial observation and photographing optical systems |
Aug. 6, 1996 |
| 5485229 |
Method and apparatus for determining electrical activity in the retinal nerve fiber layer using intrinsic birefringent properties of retinal ganglion cell axons |
Jan. 16, 1996 |
| 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 |
| 5355186 |
Ophthalmic measurement apparatus |
Oct. 11, 1994 |
| 5349399 |
Intraocular length measuring instrument having phase compensating means |
Sep. 20, 1994 |
| 5337106 |
Liquid-crystal image director for single-lens-reflex camera |
Aug. 9, 1994 |
| 5321446 |
Slit lamp microscope and selectively insertable diaphragm disk |
Jun. 14, 1994 |
| 5309185 |
Apparatus and method for objective quantitative assessment of human ocular coordination |
May. 3, 1994 |
| 5200772 |
Filter apparatus for retinoscope |
Apr. 6, 1993 |
| 4403841 |
Apparatus for examining anterior portions of the eye |
Sep. 13, 1983 |
| 4265518 |
Variable magnification apparatus having illumination compensating ability |
May. 5, 1981 |
| 4208107 |
Drugless eye examination system |
Jun. 17, 1980 |
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