Optical test pattern

Details Optical test pattern Optical test pattern

1980-01-24

1982-04-13

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

3561245, A61B 302, G01M 1100

Patent

active

043244599

ABSTRACT:
A stelliform arrangement of sectors each having a uniform optical density and with different sectors having different optical densities.

REFERENCES:
patent: 2463813 (1949-03-01), Shepard
Luckiesh, Test Charts Representing a Variety of Visual Tasks, 1944, Ameri Journ. of Opht.
Ronchi et al., Some Remarks on Ophthalmic Test Types, Jun. 1972, American Journal of Optometry.

Affiliated with

Also associated with

Rating

Optical test pattern does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical test pattern, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical test pattern will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1414968