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角膜内皮細胞撮影装置
专利权人:
株式会社トプコン
发明人:
坂上 兼一,中島 将
申请号:
JP2013143398
公开号:
JP6239287B2
申请日:
2013.07.09
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
A corneal endothelial cell-imaging device: which is provided with a slit light-irradiating optical system for irradiating slit light, a corneal endothelial cell-imaging optical system for imaging corneal endothelial cells by receiving reflected light from the corneal endothelial cells, multiple external fixation point light sources and internal fixation point light sources for conducting the line-of-sight of the eye being tested in a specified direction, and an alignment-detecting means for detecting the alignment of the device body and in which said alignment-detecting means has an alignment indicator light source (41) for projecting an alignment indicator light toward the cornea of the eye being tested. The corneal endothelial cell-imaging device is provided with a line-of-sight direction-detecting means for detecting the direction of the line-of-sight of the eye being tested on the basis of the center position of the pupil of the eye being tested and the projection position of the alignment indicator light being projected on the cornea. Said line-of-sight direction-detecting means comprises: a pupil image extraction circuit (401), a pupil image position detection circuit (402), a bright point image extraction circuit (403), a bright point image position detection circuit (404), and a line-of-sight direction-calculating circuit (405).
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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