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Perimeter
专利权人:
发明人:
申请号:
EP12156189.8
公开号:
EP2494915B1
申请日:
2012.02.20
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
In a perimeter having means for measuring a visual field of an eye to be examined, means for monitoring fixation state and means for lighting the eye to be examined with a brightness necessary for monitoring the fixation state of the eye to be examined and means for correcting visibility, means for correcting visibility is provided so as to be freely moved between a set position corresponding to a measurement position of the eye to be examined and a storedposition retracted to an outer periphery of a projection member. Such a perimeter further has means for detecting whether means for correcting visibility is at the set position or the stored position and an illustration controller for changing brightness of the illumination onto the eye to be examined through the means for lighting according to the detected position of means for correcting visibility.
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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