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Ophthalmic measuring method and apparatus
专利权人:
Norihiko Yokoi
发明人:
Norihiko Yokoi,Shigeru Kinoshita,Takayoshi Suzuki,Yutaka Mizukusa,Osamu Yamamoto
申请号:
US11434657
公开号:
US08996097B2
申请日:
2006.05.15
申请国别(地区):
US
年份:
2015
代理人:
摘要:
In an ophthalmic measuring method, a traceable marker in particulate form is administered to the lachrymal fluid of a subjects eye, and the lachrymal fluid is irradiated with illuminating light. Images of the illuminated lachrymal fluid are electronically captured respectively at different times. Two images from among the captured images are selected, with each of the two selected images displaying the traceable marker. A characteristic point of each of the two selected images is specified. A movement speed of the traceable marker is measured based on positions thereof in the two selected images and on a time difference from specifying the characteristic point of one of the two selected images to specifying the characteristic point of the other of the two selected images. The measured movement speed of the traceable marker is outputted as the movement speed of the lachrymal fluid of the subjects eye.
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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