Optical: systems and elements – Compound lens system – Microscope
Patent
1995-10-20
1997-12-23
Nguyen, Thong
Optical: systems and elements
Compound lens system
Microscope
359368, 359385, 359227, 351214, G02B 2106, G02B 2100
Patent
active
057011974
ABSTRACT:
A slit lamp microscope, which includes an illumination optical system for slit illumination onto an eye to be examined and an observing optical system containing an objective lens for observation of the eye exposed to the slit illumination, comprises a confocal scanning microscope unit containing an illumination optical system for illuminating a rotating circular disc provided with a plurality of pinholes and illuminating an observation plane of the eye to be examined by illumination light transmitted through the pinholes of the rotating circular disc, and a light delivery optical system for focusing the luminous flux reflected from the observation plane of the eye on the rotating circular disc and delivering it to the objective lens, and a setting device to set the confocal scanning microscope unit in the front of the objective lens.
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Nguyen Thong
Nidek Co. Ltd.
Robinson Mark
LandOfFree
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