发明名称 Fundus camera
摘要 A fundus camera having a simplified unit mechanism having a fixation light disposed at a suitable position for efficiently guiding a sight line, the fundus camera comprising an illumination optical system for illuminating a fundus of an eye to be examined with visible illumination light for photographing and with invisible illumination light for observation, a photographing optical system having a first photographic element, for photographing an image of the fundus with visible reflection light from the fundus, an observation optical system having a second photographic element for photographing the image of the fundus with invisible reflection light from the fundus, a wavelength-selecting mirror dividing light into invisible light, a part of visible light, and most of the visible light, a light-dividing member further dividing the optical path of the observation optical system, and a fixation target disposed on the optical path divided from the optical path of the observation optical system by the light-dividing member and at a conjugate position with a photographing surface of the second photographic element.
申请公布号 US6669339(B2) 申请公布日期 2003.12.30
申请号 US20010813019 申请日期 2001.03.21
申请人 NIDEK CO., LTD. 发明人 NANJYO TSUGUO
分类号 A61B3/12;A61B3/14;(IPC1-7):A61B3/14 主分类号 A61B3/12
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