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Class Information
Number: 351/237
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Subjective type > Including target image projection
Description: Subject matter wherein a still projector casts one or more illuminated chart or target images on a screen for use in vision testing.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7594730 |
Method and apparatus for displaying OCT cross sections |
Sep. 29, 2009 |
| 7549750 |
Optometer |
Jun. 23, 2009 |
| 7549751 |
Optotype presenting apparatus |
Jun. 23, 2009 |
| 7537343 |
Optotype presenting apparatus |
May. 26, 2009 |
| 7520610 |
Process of treatment of data with the aim of the determination of visual motifs in a visual scene |
Apr. 21, 2009 |
| 7500752 |
Diagnosing and training the gaze stabilization system |
Mar. 10, 2009 |
| 7470026 |
Method and apparatus for measuring operating visual acuity |
Dec. 30, 2008 |
| 7438417 |
Ophthalmic diagnostic apparatus for different types of tests |
Oct. 21, 2008 |
| 7390090 |
Ocular measurement apparatus and method |
Jun. 24, 2008 |
| 7367674 |
Perimeter and a method for operating a perimeter |
May. 6, 2008 |
| 7367675 |
Vision testing system |
May. 6, 2008 |
| 7350921 |
iQueVision: animated / vision testing system |
Apr. 1, 2008 |
| 7344249 |
Ophthalmic apparatus |
Mar. 18, 2008 |
| 7341349 |
Ophthalmologic apparatus and ophthalmologic chart |
Mar. 11, 2008 |
| 7338171 |
Method and apparatus for visual drive control |
Mar. 4, 2008 |
| 7309128 |
Automated stereocampimeter and related method for improved measurement of the visual field |
Dec. 18, 2007 |
| 7300154 |
Ophthalmologic image taking apparatus |
Nov. 27, 2007 |
| 7289254 |
Optometry measurement device |
Oct. 30, 2007 |
| 7278742 |
Systems and apparatus for assessment of visual field functions |
Oct. 9, 2007 |
| 7275830 |
Methods devices and systems for detecting eye disease |
Oct. 2, 2007 |
| 7255443 |
Quantitative analysis apparatus for phenomena of glare and the method for the same |
Aug. 14, 2007 |
| 7220000 |
Methods, devices and systems for assessing eye disease |
May. 22, 2007 |
| 7216984 |
Optometric apparatus |
May. 15, 2007 |
| 6985524 |
Apparatus and method for adjusting real time video to compensate for color blindness |
Jan. 10, 2006 |
| 6742894 |
System and method for full field oscillating stimulus perimeter |
Jun. 1, 2004 |
| 6623243 |
Minimization of motion smear: an approach to reducing avian collisions with wind turbines |
Sep. 23, 2003 |
| 6592222 |
Flicker and frequency doubling in virtual reality |
Jul. 15, 2003 |
| 6497701 |
Method and system for ablating surfaces with partially overlapping craters having consistent curvature |
Dec. 24, 2002 |
| 6386706 |
Visual function testing with virtual retinal display |
May. 14, 2002 |
| 6367932 |
Apparatus and method for visual field testing |
Apr. 9, 2002 |
| 6309117 |
System and method for adjustment of color presentation in networked media |
Oct. 30, 2001 |
| 6074064 |
Apparatus for measuring limits of a peripheral Visual Field |
Jun. 13, 2000 |
| 6075557 |
Image tracking system and method and observer tracking autostereoscopic display |
Jun. 13, 2000 |
| 6056404 |
Ophthalmic apparatus |
May. 2, 2000 |
| 6045227 |
Multi-functional visual testing instrument |
Apr. 4, 2000 |
| 5946075 |
Vision screening system |
Aug. 31, 1999 |
| 5929972 |
Communication apparatus and method for performing vision testing on deaf and severely hearing-impaired individuals |
Jul. 27, 1999 |
| 5929971 |
Optometric apparatus, including and addition power mode, for subjectively examining a visual function of an eye |
Jul. 27, 1999 |
| 5920374 |
Computerized screening device utilizing the Pulfrich effect |
Jul. 6, 1999 |
| 5903335 |
Apparatus for displaying visual acuity chart with constant magnification |
May. 11, 1999 |
| 5892570 |
Method and apparatus for measuring and correcting metamorphopsia |
Apr. 6, 1999 |
| 5889577 |
Optical apparatus or apparatus for detecting direction of line of sight, and various kinds of same apparatus using the same |
Mar. 30, 1999 |
| 5886770 |
Device for use in the examination of the visual field of a subject |
Mar. 23, 1999 |
| 5883693 |
Ophthalmic refractor |
Mar. 16, 1999 |
| 5880814 |
Visual acuity tester with improved test character generation |
Mar. 9, 1999 |
| 5877841 |
Application and method for self eye examination using a video appliance |
Mar. 2, 1999 |
| 5859688 |
Optometric apparatus |
Jan. 12, 1999 |
| 5856861 |
Optometric apparatus |
Jan. 5, 1999 |
| 5852489 |
Digital virtual chiasm for controlled stimulation of visual cortices |
Dec. 22, 1998 |
| 5835191 |
Optotype projector apparatus with variable contrast |
Nov. 10, 1998 |
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