Eye examining or testing instrument > Subjective type > Perimeter type > With rotatable arm > Patents

Browse by:

Browse by Category: Main > Health & Medicine

Class Information
Number: 351/225
Name: Optics: eye examining, vision testing and correcting > Eye examining or testing instrument > Subjective type > Perimeter type > With rotatable arm
Description: Subject matter where the means for producing the test targets on the surface is a rotatable arm.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7513621	Ophthalmic operative keratometer with movable fixation/centration device	Apr. 7, 2009
6783240	Computer controlled perimetry system	Aug. 31, 2004
5870169	Human eye visual field testing device	Feb. 9, 1999
5302981	Method and apparatus to correct vertical and lateral double vision	Apr. 12, 1994
5293532	Device and method for positioning and relaxing accommodation of the eye	Mar. 8, 1994
4685784	Method for controlling fixation of a patient's eye during perimeter measurements	Aug. 11, 1987
4310224	Precisely movable mirror mount	Jan. 12, 1982
4012128	Method and apparatus for determining visual latency	Mar. 15, 1977
3951527	Target image projector	Apr. 20, 1976