Molded optic for an intraocular lens

Details Molded optic for an intraocular lens Molded optic for an intraocular lens

1986-12-15

1988-12-06

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Female mold and opposed coaxial dynamic press members

425469, 425808, 249122, 249142, 249160, 264 11, A01J 2100

Patent

active

047893249

ABSTRACT:
An optic for an intraocular lens with finished, molded radii on the anterior and posterior edges of the peripheral surface of the optic. The optic has a thin central optical zone and a surrounding annular ring having sufficient material to support haptics. The ring is thicker than the optical zone and, thus, recesses the posterior surface of the optical zone to provide a capsulotomy space. The present novel optic is produced by novel molding pins which are shaped to provide the finished molded radii on the edges of the optic so that the optic requires little or no post-molding finishing or polishing other than the degating and deflashing.

REFERENCES:
patent: Re31998 (1985-10-01), Myers
patent: 1717966 (1929-06-01), Moore
patent: 2253497 (1941-08-01), Kollmorgan
patent: 2608344 (1952-08-01), Knocke
patent: 3173964 (1965-03-01), Mohr
patent: 4540534 (1985-09-01), Grendol

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