发明授权
- 专利标题: Myopia lens
- 专利标题(中): 近视眼镜
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申请号: US09509793申请日: 2001-02-26
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公开(公告)号: US06343861B1公开(公告)日: 2002-02-05
- 发明人: Dimitrios Jack Kris , Simon John Edwards , Scott Warren Fisher , Simon John Pavy , Saulius Raymond Varnas
- 申请人: Dimitrios Jack Kris , Simon John Edwards , Scott Warren Fisher , Simon John Pavy , Saulius Raymond Varnas
- 优先权: AUPP4063 19980612
- 主分类号: G02C706
- IPC分类号: G02C706
摘要:
A progressive ophthalmic lens element including a lens surface having an upper viewing zone having a surface to achieve a refracting power corresponding to distance vision, a lower viewing zone having a greater surface power than the upper viewing zone to achieve a refracting power corresponding to near vision, and an intermediate zon extending across the lens element having a surface power varying from that of the upper viewing zone to that of the lower viewing zone and including a corridor of relatively low surface astigmatism, the progressive ophthalmic lens element including progressive design elements selected to reduce myopia progression.
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