| PATENT CLAIMS |
Method of cleaning a soiled contact lens comprising the steps of dissolving an effervescent tablet compn capable of generating a cleansing amount of CO2 & carbonic acid in an aq compn having a pH < 7.5 to form a cleansing soln., & contacting the soiled lens with the soln for a time sufficient to clean the soiled lens, wherein the tablet compn excludes polymeric beads, an enzyme, a cleansing amount of a surfactant, & a disinfecting amount of H2O2, & further provided that the efervescent tablet is a layered tablet comprising
- First layer: Alkali carbonate
- Second layer: Acid
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