Intraocular lens with a press stretched portion

Details Intraocular lens with a press stretched portion Intraocular lens with a press stretched portion

1997-03-12

1999-03-02

Prebilic, Paul B.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

A61F 216

Patent

active

058764410

ABSTRACT:
A one-piece intraocular lens made entirely of three-dimensionally crosslinked polymethyl methacrylate is described. The lens is made from a lens blank which is selectively press-stretched in those areas around the periphery of the central effective optic area and from which the haptic portions are formed rendering areas more robust and less prone to fracture while the central effective optic area is not press-stretched. The lenses are durable to YAG laser irradiation.

REFERENCES:
patent: 4361527 (1982-11-01), Rau
patent: 4732715 (1988-03-01), Bawa et al.
patent: 4815690 (1989-03-01), Shepherd
patent: 5169569 (1992-12-01), Ingram et al.
patent: 5269813 (1993-12-01), Yoshida et al.
patent: 5674284 (1997-10-01), Chang et al.
patent: 5725574 (1998-03-01), Nguyen

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