发明名称 |
METHOD AND DEVICE FOR TESTING SCOTOPIC VISION |
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. |
申请公布号 |
EP1903928(A1) |
申请公布日期 |
2008.04.02 |
申请号 |
EP20060762667 |
申请日期 |
2006.07.18 |
申请人 |
CARL ZEISS VISION GMBH |
发明人 |
CABEZA GUILLEN, JESUS, MIGUEL;KRATZER, TIMO |
分类号 |
A61B3/032;A61B3/036;A61B3/06 |
主分类号 |
A61B3/032 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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