Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1988-06-02
1991-04-09
Dzierzynski, Paul M.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
128 23, A61B 310
Patent
active
050059661
ABSTRACT:
A self-contained light source for attachment to a Hertel-type exophthalmometer. The device requires no structural alteration of the exophthalmometer and allows for variable positioning of the light source on the exophthalmometer. The device is designed to provide the exophthalmometer with hands free illumination of the eye area and the measuring scale to allow the operator use of both hands when measuring exophthalmus.
REFERENCES:
patent: 3583795 (1971-06-01), Heine
patent: 3745993 (1973-07-01), Feinbloom
patent: 3870470 (1974-11-01), Dederer et al.
patent: 4265519 (1981-05-01), Pomerantzeff
patent: 4597030 (1986-06-01), Brody et al.
The American Journal of Ophthalmology, Jun. 1987, pp. 838 and 839, vol. 2, Chapter 21 of Clinical Ophthalmology, pp. 15 and 16.
Handler Lawrence F.
Handler, deceased Albert W.
Handler, legal representative by Bernice
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