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Class Information
Number: 351/224
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Subjective type > Perimeter type
Description: Subject matter including a surface usually illuminated from a light source together with test targets movable along the inside face of the surface, which targets are viewed by the patient undergoing eye examination for determining fiel of vision.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7494222 |
Method and apparatus for the detection of impaired dark adaptation |
Feb. 24, 2009 |
| 7478911 |
Perimeter |
Jan. 20, 2009 |
| 7475987 |
Perimeter |
Jan. 13, 2009 |
| 7475988 |
Perimeter |
Jan. 13, 2009 |
| 7380941 |
Device and method for assisting development of an infant's visual acuity and for transferring a mother's scent to an infantile environment |
Jun. 3, 2008 |
| 7377646 |
Perimeter |
May. 27, 2008 |
| 7367674 |
Perimeter and a method for operating a perimeter |
May. 6, 2008 |
| 7325925 |
Perimeter |
Feb. 5, 2008 |
| 7309128 |
Automated stereocampimeter and related method for improved measurement of the visual field |
Dec. 18, 2007 |
| 7309129 |
Perimeter |
Dec. 18, 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 |
| 7244027 |
Perimeter |
Jul. 17, 2007 |
| 7220000 |
Methods, devices and systems for assessing eye disease |
May. 22, 2007 |
| 7155393 |
Method for establishing fixation employing speech recognition |
Dec. 26, 2006 |
| 6890077 |
Method and apparatus for high resolution video image display |
May. 10, 2005 |
| 6863399 |
Flash recovery timer and warning device, with recorder |
Mar. 8, 2005 |
| 6848789 |
System, method and article of manufacture to determine and communicate optical lens sizing and prescription information |
Feb. 1, 2005 |
| 6736511 |
Virtual reality peripheral vision scotoma screening |
May. 18, 2004 |
| 6685321 |
Perimeter |
Feb. 3, 2004 |
| 6623118 |
Stimulus and method for measuring the field of vision of the human eye |
Sep. 23, 2003 |
| 6612700 |
Device for testing visual functions of the human eye |
Sep. 2, 2003 |
| 6533419 |
Flash recovery timer and warning device, with recorder |
Mar. 18, 2003 |
| 6494578 |
Virtual reality peripheral vision scotoma screening |
Dec. 17, 2002 |
| 6402320 |
Methods and apparatus for measuring visual acuity in preverbal children |
Jun. 11, 2002 |
| 6318860 |
Perimeter |
Nov. 20, 2001 |
| 6293675 |
Macular stressmeter |
Sep. 25, 2001 |
| 6176581 |
Flash recovery timer and warning device |
Jan. 23, 2001 |
| 6086206 |
Analysis method for enhancing and extracting second order nonlinear response components of the multi-area electroretinogram |
Jul. 11, 2000 |
| 6074064 |
Apparatus for measuring limits of a peripheral Visual Field |
Jun. 13, 2000 |
| 6033076 |
Visual field testing via telemedicine |
Mar. 7, 2000 |
| 6027217 |
Automated visual function testing via telemedicine |
Feb. 22, 2000 |
| 5920375 |
Process for measuring the visual field recognizable by the eye of a patient |
Jul. 6, 1999 |
| 5910834 |
Color on color visual field testing method and apparatus |
Jun. 8, 1999 |
| 5898474 |
Visual field testing method and apparatus |
Apr. 27, 1999 |
| 5883692 |
Visual field measurement apparatus |
Mar. 16, 1999 |
| 5870169 |
Human eye visual field testing device |
Feb. 9, 1999 |
| 5864385 |
Method of determining the perimeter of the visual field of the human eye |
Jan. 26, 1999 |
| 5864384 |
Visual field testing method and apparatus using virtual reality |
Jan. 26, 1999 |
| 5822037 |
Automated dark adaptometer |
Oct. 13, 1998 |
| 5812239 |
Method of and arrangement for the enhancement of vision and/or hand-eye coordination |
Sep. 22, 1998 |
| 5805271 |
Refractively corrected, wavelength selective, transparent occluder for a non-tested eye for visual field testing |
Sep. 8, 1998 |
| 5801810 |
Method and apparatus for testing visual attention capabilities of a subject |
Sep. 1, 1998 |
| 5737060 |
Visual field perimetry using virtual reality glasses |
Apr. 7, 1998 |
| 5717481 |
Perimetric measurement apparatus for measuring characteristics of X ganglion cells |
Feb. 10, 1998 |
| 5598235 |
Method and an apparatus for testing a subject's response to visual stimuli |
Jan. 28, 1997 |
| 5565949 |
Visual field perimetry on a small computer screen |
Oct. 15, 1996 |
| 5490098 |
Automated system and method for determining pupillary threshold response |
Feb. 6, 1996 |
| 5463431 |
Perimeter |
Oct. 31, 1995 |
| 5461436 |
Color field test with occlusion of non-tested eye |
Oct. 24, 1995 |
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