Method of preparing composite single-piece intraocular lenses wi

Details Method of preparing composite single-piece intraocular lenses wi Method of preparing composite single-piece intraocular lenses wi

1989-08-31

1992-02-18

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 27, 623 6, B29D 1100

Patent

active

050891804

ABSTRACT:
Composite acrylic polymer rods having clear central regions and colored peripheral regions are prepared by polymerizing a flowable solution comprising acrylic monomer, dye and, dissolved therein, acrylic polymer, around a rod of acrylic polymer. Alternatively, a rod of acrylic polymer surrounded by a flowable mixture comprising partially polymerized acrylic monomer and dye is subjected to polymerization conditions to polymerize the flowable mixture.

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