发明名称 Toric surface casting
摘要 <p>An optical preform has a predetermined spherical curve on a concave surface of the optical preform, a predetermined spherical curve on a convex surface of the optical preform and a near add power. A thin resin is applied to the concave surface of the optical preform and molded to form a toric layer by a mold having a toric, convex mold surface. The resin layer is then cured and the mold removed to form a finished ophthalmic lens.</p>
申请公布号 EP0836110(A2) 申请公布日期 1998.04.15
申请号 EP19970307966 申请日期 1997.10.07
申请人 INNOTECH, INC. 发明人 GUPTA, AMITAVA;BLUM, RONALD D.
分类号 B29D11/00;G02C7/06;(IPC1-7):G02C7/06 主分类号 B29D11/00
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