Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent
1974-03-19
1976-08-03
Sacher, Paul A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
351 30, 351 36, A61B 302, A61B 306, A61B 500
Patent
active
RE0289213
ABSTRACT:
An automated visual examination apparatus for measuring visual sensitivity and mapping blind spot location including a projection system for displaying to a patient a series of visual stimuli, a response switch enabling him to indicate his reaction to the stimuli, and a recording system responsive to both the visual stimuli per se and the patient's responses, the recording system thereby providing a correlated permanent record of both stimuli and response from which a substantive and readily apparent visual evaluation can be made.
REFERENCES:
patent: 2564794 (1951-08-01), Shekels
patent: 3172404 (1965-03-01), Copenhaver et al.
patent: 3317268 (1967-05-01), Oswald
patent: 3421498 (1969-01-01), Gans
patent: 3476465 (1969-11-01), Jackson et al.
patent: 3664732 (1972-05-01), Lynn
patent: 3684355 (1972-08-01), Molner
patent: 3705003 (1972-12-01), Lynn et al.
Fitzgerald James W.
Haines Richard F.
Rositano Salvadore A.
Brekke Darrell G.
Manning John R.
Morin, Sr. Armand G.
Sacher Paul A.
The United States of America as represented by the administrator
LandOfFree
Visual examination apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Visual examination apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Visual examination apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1920292