CONTACT LENS CARE COMPOSITION CONTAINING DERIVATIVES OF BIGUANIDEAND TROMETAMOL FOR HARD AND SOFT CONTACT LENSES

摘要

This invention relates to contact lens dressing in which comprising aminopropylbiguanid and salts thereof, especially of compound of formula I(see claim 1), in which n is an integer of 1 to 500 or salts of formula I, and the Tris-Buffer (trigydroxymethylaminomethane) or its homologous comprised at least C10(the 10rd power) and salts thereof. This invention also relates to the application of cleaning and disinfection by the contact lens dressing.