Contact lens for examining the interior of the eye

Details Contact lens for examining the interior of the eye Contact lens for examining the interior of the eye

1977-03-22

1979-01-16

Sacher, Paul A.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 39, A61B 310

Patent

active

041346475

ABSTRACT:
The inner walls of the eye, i.e., the fundus, are examined in panorama with an optical lens comprising a truncate paraboloidal mirror and a corneal contact objective lens. While held in contact with the cornea, the fundus is observed by projecting a light beam into the eye through the lens and viewing the interior eye with a microscope, e.g., a standard slit lamp instrument.

REFERENCES:
patent: 3820879 (1974-06-01), Frisen
patent: 3944341 (1976-03-01), Pomerantzeff
patent: 4007980 (1977-02-01), Bracher et al.
patent: 4033679 (1977-07-01), Sussman

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