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OPHTHALMIC MEASUREMENT DEVICE
专利权人:
发明人:
申请号:
EP09849206.9
公开号:
EP2476367A1
申请日:
2009.09.10
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
Provided is a technique that makes it possible to carry out more accurately alignment of a device optical system by a simpler method in measuring an optical characteristic at an anterior ocular segment of an eye of examinees by an ophthalmic measurement device. In measuring an optical characteristic at an anterior ocular segment of an eye (A) of examinee s, an adjustment of positional relationship between the eye (A) of examinees and a measurement optical system is carried out by utilizing reflection lights (B, C, D), i.e., the light (B) generated by reflection of the irradiated light from the infrared L.E.D. (11) at the cornea, the light (C) generated by reflection of the laser light (E) from a laser light source at the cornea, and the light (D) generated by reflection of the laser light (E) from the laser light source at the crystalline lens.
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中国工程科技知识中心
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