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Ophthalmic device
专利权人:
Masanori Nagashio
发明人:
Masanori Nagashio,Kanichi Tokuda,Taisaku Kogawa,Hiroyuki Ootsuka
申请号:
US12864145
公开号:
US08328355B2
申请日:
2009.01.22
申请国别(地区):
US
年份:
2012
代理人:
摘要:
An ophthalmic device is provided with a photographing optical system that photographs an eye fundus an illumination optical system that illuminate the eye fundus a split target projection optical system that projects a split target for focusing the photographing optical system on the eye fundus an alignment target projection optical system that projects an alignment target (AL) for aligning the photographing optical system with an examining eye an observation optical system that displays optical images of the eye fundus and a pseudo-target display processing unit that takes an observation video signal output by the observation optical system in, detects at least one of positions of the split target and the alignment target in the observation video signal, and displays a pseudo-target on the monitor in accordance with the detected position.
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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