Optical system for illuminating the ground of the eye

Details Optical system for illuminating the ground of the eye Optical system for illuminating the ground of the eye

1978-01-10

1981-06-09

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 6, A61B 310

Patent

active

042721652

ABSTRACT:
The invention contemplates an improved optical system for illuminating the retina or ground of the eye and having particular application to a hand-held ophthalmoscope. The optical system, thus embodied, permits selective modification of image scale, for a test mark or marks projected in the eye. Two embodiments are disclosed.

REFERENCES:
patent: 2107305 (1938-02-01), Ogle
patent: 3487835 (1970-01-01), Koester et al.
patent: 3524702 (1970-08-01), Bellows et al.
patent: 3535027 (1970-10-01), Littmann et al.
patent: 3572910 (1971-03-01), Koester
patent: 3600098 (1971-08-01), Mohrman
patent: 3880501 (1975-04-01), Munnerlyn

Affiliated with

Also associated with

Rating

Optical system for illuminating the ground of the eye 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 system for illuminating the ground of the eye, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical system for illuminating the ground of the eye will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1260954