Wide-angle opthalmoscope employing transillumination

Details Wide-angle opthalmoscope employing transillumination Wide-angle opthalmoscope employing transillumination

1974-12-27

1976-05-04

Sacher, Paul A.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

350 96B, 351 6, 351 7, A61B 314, A61B 310, A61B 312

Patent

active

039543293

ABSTRACT:
Apparatus for viewing an eye fundus through a contact lens has a lamp element that illuminates the fundus through the sclera. The lamp element preferably includes at least one fiber optic bundle with an exit facet for placement contiguous with the sclera, generally through whatever thickness of ocular conjunctiva is present. The apparatus can include a further lamp element having fiber facets arrayed around the viewing lens for illuminating the fundus through the crystal lens of the eye being examined.

REFERENCES:
patent: 3630602 (1971-12-01), Herbert
patent: 3770342 (1973-11-01), Dudragne

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