Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1983-05-13
1986-07-01
Corbin, John K.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351208, A61B 310
Patent
active
045976503
ABSTRACT:
A specular microscope in which the image of a slit aperture of an illumination optical system is formed at an endothelial cell layer of an eye to be examined and including a light intercepting plate having a main aperture and additional apertures adjacent said main aperture so that an image of the endothelial cell layer is formed at said main aperture and a reflection light reflected by a corneal surface of the eye is transmitted through said additional apertures of said light intercepting plate.
REFERENCES:
patent: 4253743 (1981-03-01), Matsumura
patent: 4396260 (1983-08-01), Iakizawa et al.
Takagi Kazutoshi
Yoshino Hisakazu
Corbin John K.
Dzierzynski P. M.
Tokyo Kogaku Kikai Kabushiki Kaisha
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