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Heads-up vision analyzer
专利权人:
Christopher Baker
发明人:
Christopher Baker,Tobias Buehren,James Foley
申请号:
US13429602
公开号:
US09895058B2
申请日:
2012.03.26
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A binocular vision analyzer apparatus is used for determining a prescription of visual aids for the eyes of an individual. The apparatus includes first and second targets respectively corresponding to the first and second eyes of the individual and at least one illuminator unit for illuminating the targets. An optical system is configured to present respective virtual images of the first and second targets so as to be viewable by the respective first and second eyes. At least one beam splitter disposed in front of the first and second eyes directs the virtual images toward the respective eyes. The apparatus also includes first and second spherical correction devices and first and second cylindrical correction devices that respectively correspond to the first and second eyes.
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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