Method for producing an intraocular lens

Details Method for producing an intraocular lens Method for producing an intraocular lens

1998-09-10

2000-01-18

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 27, B29D 1100

Patent

active

060155116

ABSTRACT:
An intraocular lens of one-piece body consisting of supporting portions 34 and an optical portion 32 is formed by forming an annular supporting-portion-forming blank 2 composed of a polymerization product for supporting portion 34, which has a thickness to form the supporting portion 34 for an intraocular lens and has a through hole 4 formed by concentrically drilling the central portion on the basis of the outer diameter of the blank; forming a composite-lens-forming blank 24 by filling in the through hole a monomer composition 16 for forming another polymerization product 22 for the optical portion followed by polymerizing it whereby the polymerization product 22 is formed integrally in the through hole; and processing the blank 24 on the basis of its outer diameter.

REFERENCES:
patent: 4540532 (1985-09-01), Petcen et al.
patent: 5037435 (1991-08-01), Chang et al.
patent: 5182053 (1993-01-01), Creaseman et al.
patent: 5217491 (1993-06-01), Vanderbilt
patent: 5246634 (1993-09-01), Ichikawa et al.
patent: 5582778 (1996-12-01), Sherwood et al.
patent: 5762836 (1998-06-01), Bos et al.

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