| 发明名称 |
Ophthalmologic apparatus |
| 摘要 |
An ophthalmologic apparatus including an illuminating light source, an annular index, and an optical system for projecting the index from an infinite distance to a cornea of an eye to be examined, in which the index is formed integrally with the projecting optical system.
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| 申请公布号 |
US4666269(A) |
申请公布日期 |
1987.05.19 |
| 申请号 |
US19850801500 |
申请日期 |
1985.11.25 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
NAKAMURA, YUKITUGU;SEKIGUCHI, KYOJI;MASUDA, TAKASHI |
| 分类号 |
A61B3/107;(IPC1-7):A61B3/10 |
主分类号 |
A61B3/107 |
| 代理机构 |
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