发明名称 |
Eye testing apparatus |
摘要 |
An eye testing apparatus, in which a cornea reflecting image and a retina reflecting image formed by projecting each target mark image onto a cornea and a retina of an eye to be tested are projected to a slight receiving portion through a measuring optical system, and in which a corneal configuration and a refractive power of the eye to be tested are measured according to a signal detected by the light receiving portion, characterized in that the light receiving portion includes a two-dimensional light receiving element, the measuring optical system simultaneously projecting the cornea reflecting image and the retina reflecting image to different areas of the two-dimensional light receiving element.
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申请公布号 |
US4859051(A) |
申请公布日期 |
1989.08.22 |
申请号 |
US19870137718 |
申请日期 |
1987.12.24 |
申请人 |
TOKYO KOGAKU KIKAI KABUSHIKI KAISHA |
发明人 |
FUKUMA, YASUFUMI;KITAO, IKUO;KATO, YASUO |
分类号 |
A61B3/12;A61B3/10;A61B3/103 |
主分类号 |
A61B3/12 |
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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