Highly hydrous soft contact lens and a treating solution for con

Details Highly hydrous soft contact lens and a treating solution for con Highly hydrous soft contact lens and a treating solution for con

1994-08-15

1995-10-24

Merriam, Andrew E. C.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

523106, 524388, 524547, 526277, 525937, 25217423, G02C 1300, B08B 1100, C08F23002, C08K 505

Patent

active

054614333

ABSTRACT:
A highly hydrous soft contact lens comprising a copolymer which contains as an ingredient a monomer having constitution similar to that of phospholipid represented by the following general formula: ##STR1## n is an integer of 1-20, and, R.sub.2, R.sub.3 and R.sub.4 are the same or different groups and alkyl or hydroxyalkyl of 1-8 carbon atoms.
Further, a treating solution for contact lenses which comprises a polymer containing as an ingredient the above monomer and a solvent which can dissolve the polymer.

REFERENCES:
patent: 3964832 (1976-06-01), Cohen et al.
patent: 4067839 (1978-01-01), Schultz
patent: 4329266 (1982-05-01), Suzuki et al.
The Merck Index, Merck & Co., Inc., pp. 234-235 (1968).

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