| abstract |
The present invention provides methods for treating contact lenses and compositions for the same. The present invention includes contacting a lens with an aqueous solution comprising a sulfobetaine compound represented by the formula: <IMAGE> wherein: R1 is an alkyl group having from 8 to 30 carbon atoms, R2 and R3 are individually hydrogen or alkyl groups having from 1 to 4 carbon atoms, and R4 is an alkyl group having from 2 to 6 carbon atoms. In preferred embodiments of the invention, the subject compounds are used in combination with antimicrobial agents for providing simultaneous disinfection and cleaning of contact lenses. |