Patent ID: 7632794

Claim:
A contact lens care solution comprising: one or more alkyldimonium hydroxypropyl alkylglucosides of general formula I or general formula II, wherein R is a straight or branched C 8 -C 24 alkyl; A is —CH 2 CH(OH)CH 2 N + (CH 3 ) 2 R 1 X − , wherein R 1 is a C 8 -C 24 alkyl and X − is a common counteranion, n is an average value from 1 to 6 and m is an average value from 1 to 2; poly(hexamethylene biguanide) at a concentration from 0.05 ppm to 2 ppm; and a buffer system to maintain the pH of the composition from 7.2 to 8.5, wherein the composition is formulated to clean and disinfect contact lenses.