Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1997-04-02
1998-05-12
Sikes, William L.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351208, A61B 310
Patent
active
057513961
ABSTRACT:
This invention provides an ophthalmic measuring apparatus and an ophthalmic apparatus particularly for observation by retroillumination. The ophthalmic measuring apparatus is provided with an eye measuring system, an observing system enabling observation of the eye to be examined by the examiner, an anterior segment illuminating system and a control system. The ophthalmic apparatus is provided with an observing system enabling observation of the eye to be examined, an ocular fundus illuminating system, a time measuring means and a control system.
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Aoki Hiroshi
Masuda Takashi
Okumura Toshiaki
Sekiguchi Kyoji
Yamamoto Osamu
Canon Kabushiki Kaisha
Dudek James A.
Sikes William L.
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