Contact lens comprising trimethylvinylsilane polymer

Details Contact lens comprising trimethylvinylsilane polymer Contact lens comprising trimethylvinylsilane polymer

1985-11-15

1987-03-10

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

523107, C08F 3008

Patent

active

046491856

ABSTRACT:
The contact lens of the invention is shaped of a poly(trimethylvinylsilane) resin having an average molecular weight of at least 200,000 or a copolymer based thereon. The contact lens has a very high oxygen permeability comparable to conventional transparent silicone rubbers so as to ensure a long time of continued wearing of the lens on the cornea with no adverse physiological influences and the material still has much better mechanical workability for precision shaping into a lens form than the transparent silicone rubbers.

REFERENCES:
patent: 4096315 (1978-06-01), Kubacki
patent: 4393113 (1983-07-01), Sugie et al.

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