Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent
1978-11-13
1980-08-26
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
351 6, A61B 300, A61B 310
Patent
active
042192579
ABSTRACT:
An ophthalmic endothelial microscope assembly capable of determining a predetermined dimension, namely the thickness, of the cornea portion of an eye of a living patient. The present assembly includes a casing having an illumination directing means including a plurality of optical elements disposed between an illumination source and an objective lens. Sighting means, also optically aligned with the illumination directing assembly, is further optically aligned with the objective lens so as to attain proper sighting of the predetermined portion of the eye. A focusing assembly includes a plurality of linkage elements drivingly interconnected to both a gauge member and the objective lens whereby manipulation of the focusing assembly causes proper positioning and focusing of the objective lens relative to the cornea of the eye under examination concurrently to activation of the gauge member so as to determine accurately the actual thickness or other predetermined dimension of the cornea.
REFERENCES:
patent: 2607270 (1952-08-01), Briggs
Capehart Dan B.
Slappey Thomas E.
American Hospital Supply Corporation
Barger Larry N.
Bovernick Rodney B.
Corbin John K.
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