Process for producing cyanopsia-correctable intraocular lens

Details Process for producing cyanopsia-correctable intraocular lens Process for producing cyanopsia-correctable intraocular lens

1993-01-21

1994-12-20

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

351162, 623 6, 514912, 514972, A61L 2700

Patent

active

053746635

ABSTRACT:
The present invention relates to a process for producing a cyanopsia-correctable intraocular lens, which process is characterized by, in polymerizing a monomer capable of forming a transparent lens material upon polymerization to obtain an intraocular lens, adding, as an essential component, at least one member of yellow, yellowish brown and orange colorants and, as an optional components, an U.V. absorber and a crosslinking monomer. The intraocular lens obtained by the present invention has a light absorption characteristic close to that of human crystalline lens and is effective for correction of cyanopsia.

REFERENCES:
patent: 4102567 (1978-07-01), Cuffe et al.
patent: 4260768 (1981-04-01), Lorenz et al.
patent: 4328148 (1982-05-01), Kuzma
patent: 4390676 (1983-06-01), Loshack
patent: 4559059 (1985-12-01), Su
patent: 4795461 (1989-01-01), Lundquist et al.
patent: 4863466 (1989-09-01), Schlegel
patent: 4921205 (1990-05-01), Drew, Jr. et al.
CA 110(12): 96748p, May 1988 (Frontini).

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