Permeable contact lens

Details Permeable contact lens Permeable contact lens

1981-06-08

1983-06-14

Wong, Jr., Harry

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

20415922, 351160R, 351160H, 5263077, C08F 2054, G02C 704

Patent

active

043884369

ABSTRACT:
A hydrophilic soft contact lens is made from a cross-linked copolymer of an N,N-(C.sub.1 -C.sub.2 alkyl)acrylamide and cyclohexyl methacrylate. The lens has much higher oxygen permeability and better mechanical properties than conventional hydrophilic contact lenses.

REFERENCES:
patent: 3983083 (1976-09-01), Kaetsu et al.
patent: 4107418 (1978-08-01), Yatsu et al.

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