Ophthalmic compositions and methods for preserving and using...

Details Ophthalmic compositions and methods for preserving and using... Ophthalmic compositions and methods for preserving and using...

A - Human Necessities

01

N

A01N 33/12 (2006.01) A61L 2/18 (2006.01) A61L 12/14 (2006.01) C12S 9/00 (2006.01) G02C 13/00 (2006.01)

Patent

CA 2070293

Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using such compositions are disclosed. The compositions may comprise an ophthalmical- ly acceptable, liquid aqueous medium and, included therein, an effective preserving or disinfecting amount of an ophthalmically acceptable quaternary ammonium substituted matrix material, the matrix material being selected from the group consisting of proteinaceous materials, carbohydrate materials and mixtures thereof.

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