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VISION TEST DEVICE
专利权人:
QD LASER; INC.
发明人:
Seiji MORINO,Makoto SUZUKI,Mitsuru SUGAWARA,Kinya HASEGAWA
申请号:
US16650508
公开号:
US20200275833A1
申请日:
2018.08.23
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Provided is a vision test device including: a projection unit 10 that projects an image on a retina of a subject with use of a laser beam 50 by two-dimensionally scanning the laser beam; a beam diameter setting unit that sets a beam diameter of the laser beam; and a numerical aperture setting unit that sets a numerical aperture of the laser beam, wherein the projection unit projects, on the retina, a test image for measuring visual information of the subject with use of a laser beam having the set beam diameter and the set numerical aperture.
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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