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Class Information
Number: 351/226
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Subjective type > Perimeter type > With bowl type screen
Description: Subject matter wherein the surface is shaped as a hollow hemispherical bowl or cup carrying inside suitable test patterns or targets which are viewed by the patient.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614746 |
Macular function tester |
Nov. 10, 2009 |
| 7475988 |
Perimeter |
Jan. 13, 2009 |
| 7325925 |
Perimeter |
Feb. 5, 2008 |
| 7244027 |
Perimeter |
Jul. 17, 2007 |
| 5870169 |
Human eye visual field testing device |
Feb. 9, 1999 |
| 5864384 |
Visual field testing method and apparatus using virtual reality |
Jan. 26, 1999 |
| 5805271 |
Refractively corrected, wavelength selective, transparent occluder for a non-tested eye for visual field testing |
Sep. 8, 1998 |
| 5717481 |
Perimetric measurement apparatus for measuring characteristics of X ganglion cells |
Feb. 10, 1998 |
| 5534953 |
Training device for the therapy of patients having perception defects |
Jul. 9, 1996 |
| 5463431 |
Perimeter |
Oct. 31, 1995 |
| 5461435 |
Method and an apparatus for checking the thresholds of a subject's perception of visual stimuli |
Oct. 24, 1995 |
| 5459536 |
Apparatus and method for automated perimetry |
Oct. 17, 1995 |
| 5412561 |
Method of analysis of serial visual fields |
May. 2, 1995 |
| 5323194 |
Perimeter with non spherical bowl |
Jun. 21, 1994 |
| 5235360 |
Automatic perimeter |
Aug. 10, 1993 |
| 5220361 |
Gaze tracking for field analyzer |
Jun. 15, 1993 |
| 5187507 |
Method of and apparatus for diagnosing peripheral field defects and other peripheral retinal damage |
Feb. 16, 1993 |
| 5108170 |
Perimetric instrument |
Apr. 28, 1992 |
| 5066117 |
Perimeter |
Nov. 19, 1991 |
| 5061059 |
Self-detection glaucoma test method |
Oct. 29, 1991 |
| 5050983 |
Visual testing method and apparatus |
Sep. 24, 1991 |
| 5048947 |
Process for measuring eye movement |
Sep. 17, 1991 |
| 5035500 |
Automated ocular perimetry, particularly kinetic perimetry |
Jul. 30, 1991 |
| 5024519 |
Apparatus and method for visual-field testing |
Jun. 18, 1991 |
| 4971434 |
Method for diagnosing deficiencies in and expanding a person's useful field of view |
Nov. 20, 1990 |
| 4871247 |
Cornea-borne image and light display device |
Oct. 3, 1989 |
| 4813779 |
Perimeter |
Mar. 21, 1989 |
| 4804262 |
Automatic perimeter |
Feb. 14, 1989 |
| 4739410 |
Superimposed analog video image on plotted digital field tester display |
Apr. 19, 1988 |
| 4685784 |
Method for controlling fixation of a patient's eye during perimeter measurements |
Aug. 11, 1987 |
| 4679920 |
Automatic perimeter |
Jul. 14, 1987 |
| 4675736 |
Superimposed analog video image on plotted digital field tester display |
Jun. 23, 1987 |
| H185 |
Respirator perimetry device |
Jan. 6, 1987 |
| 4626090 |
Cupola-type ophthalmological apparatus the visual field and the electrophysiological examination of the human eye |
Dec. 2, 1986 |
| 4561738 |
Field tester |
Dec. 31, 1985 |
| 4558933 |
Method and apparatus for uniform background in visual field testing devices |
Dec. 17, 1985 |
| 4490023 |
Arrangement for test mark positioning in spheric perimeters |
Dec. 25, 1984 |
| 4429961 |
Visual field testing device |
Feb. 7, 1984 |
| 4420229 |
Ophthalmic instruments |
Dec. 13, 1983 |
| 4260227 |
Automated kinetic perimetry apparatus and method |
Apr. 7, 1981 |
| 4255023 |
Objective retinal response recorder |
Mar. 10, 1981 |
| 4255022 |
Method of and apparatus for examination of visual fields |
Mar. 10, 1981 |
| 4169664 |
Apparatus for determining peripheral vision |
Oct. 2, 1979 |
| 4146311 |
Automatic visual field mapping apparatus |
Mar. 27, 1979 |
| 4145123 |
Perimeter |
Mar. 20, 1979 |
| 4131113 |
ERG analysis system |
Dec. 26, 1978 |
| 4063807 |
Perimetric eye testing device |
Dec. 20, 1977 |
| 4045130 |
Apparatus for the perimetric testing of the visual field of the human eye |
Aug. 30, 1977 |
| 4011010 |
Visual field tester which is entitled multiscale perimeter |
Mar. 8, 1977 |
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