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APPARATUS AND METHOD FOR TESTING NIGHT VISION
专利权人:
Carl Zeiss Vision GmbH
发明人:
Jesus Miguel CABEZA GUILLEN,Timo KRATZER
申请号:
US14951611
公开号:
US20160073871A1
申请日:
2015.11.25
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A method and an apparatus for testing night vision are disclosed. At least one visual mark is presented to a test person having an open pupil from a distance of several meters. The visual mark is configured as a light point, and a visual impression of the test person is determined by means of the visual mark. The apparatus comprises means for opening a pupil of a test person, in particular a darkened room. An examination position for the test person and a presentation apparatus for visual marks arranged at a distance of several meters from the examination position are also provided. The presentation apparatus comprises at least one point-shaped light source. A light beam thereof is directed towards the examination position. Means are provided for determining a visual impression of the test person with the help of the visual marks.
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