发明授权
- 专利标题: Ophthalmic lens for observing the fundus of the eye
- 专利标题(中): 用于观察眼底的眼镜
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申请号: US914007申请日: 1986-10-01
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公开(公告)号: US4728183A公开(公告)日: 1988-03-01
- 发明人: Gregory L. Heacock , Martin A. Mainster , Phillip J. Erickson
- 申请人: Gregory L. Heacock , Martin A. Mainster , Phillip J. Erickson
- 申请人地址: WA Bellevue
- 专利权人: Ocular Instruments, Inc.
- 当前专利权人: Ocular Instruments, Inc.
- 当前专利权人地址: WA Bellevue
- 主分类号: G02C7/04
- IPC分类号: G02C7/04 ; A61B3/12 ; A61B3/125 ; A61B3/10 ; G02B3/04
摘要:
An ophthalmic lens utilized for observing the fundus of an eye using through the lens illumination and for delivering a focused laser beam to the fundus includes a contact lens and an aspheric entry lens. In combination, the lenses provide an aerial image of the fundus anterior to the entry lens.
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