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GAZE-FIXATION AIDING AND IMAGE FOCUSING DEVICE
专利权人:
发明人:
Che Liang TSAI,Chung Ping CHUANG,Yen Jen CHANG
申请号:
US13722616
公开号:
US20130250236A1
申请日:
2012.12.20
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A gaze-fixation aiding and image focusing device for a fundus camera includes an illuminating system for projecting an examination light to illuminate an examinees fundus an aging system for receiving a fundus image and light reflected from the examinees eye and forming images of the reflected light and the fundus on a display a focusing device having a split image screen located in the illuminating system to work with an adjusting means located in the imaging system for split image focusing and a gaze fixation device having a gaze fixation surface formed in the illuminating system and a plurality of fixation points provided on the gaze fixation surface to form a contrast with the examination light. With these arrangements, the fundus camera can have largely simplified optical path structure, and the fixation points are independently controllable to light for the examinee to gaze into particular directions.
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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