Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1981-03-20
1983-11-08
Corbin, John K.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351211, 351205, A61B 310
Patent
active
044138903
ABSTRACT:
An apparatus for objectively detecting ocular disorders adapted to the expedient examination of uncooperative patients generally comprises structures for collimating light into two predetermined paths for coaxial illumination of a person's right and left eye; structures for conditioning the collimated light; apertures for illuminating and retroflecting the collimated light by a person's eyes; and structures for detecting the relative intensities of the retroflected collimated light. A method for expediently examining uncooperative patients adapted to objectively detecting an ocular disorder comprises coaxially illuminating each eye; effecting a relative position between the apertures of an apparatus and a patient'eyes so that brief illuminating contact with the collimated light is effected; retroflecting the collimating light illuminating each eye; and measuring the relative intensities of the retroflected collimated light so that ocular disorders can be objectively determined.
REFERENCES:
patent: 3450466 (1969-06-01), Streisinger
patent: 3524702 (1970-08-01), Bellows
patent: 3614214 (1971-10-01), Cornsweet et al.
patent: 3639941 (1972-02-01), Cornsweet
patent: 3791719 (1974-02-01), Kratzer
patent: 3819256 (1974-06-01), Bellows
patent: 3827789 (1974-08-01), Molner et al.
patent: 3915564 (1975-10-01), Urban
patent: 4305398 (1981-12-01), Sawa
Belkin Michael
Lund David J.
Bovernick Rodney B.
Corbin John K.
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