发明名称 Bifocal intra-ocular lens
摘要 An intra-ocular lens consisting of a transparent body has concentrically oriented near vision and far vision, optically powered portions with the near vision portion being centrally positioned relative to the body and the far vision portion being coaxial with and surrounding the near vision portion, the lens being fixed in a position such that the near vision portion is aligned with the pupillary aperture of the eye and is fixed in alignment.
申请公布号 US4636211(A) 申请公布日期 1987.01.13
申请号 US19840588926 申请日期 1984.03.13
申请人 NIELSEN, J. MCHENRY;MILLER, WAYNE G. 发明人 NIELSEN, J. MCHENRY;MILLER, WAYNE G.
分类号 A61F2/16;G02C7/04;(IPC1-7):A61F2/16 主分类号 A61F2/16
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