abstract |
"DISINFECTION OF CONTACT LENSES WITH POLYQUATERNES AND POLYMERIC BIGUANIDES". The present invention is directed to an ophthalmically safe disinfectant solution for contact lenses comprising the combination of a polymeric biguanide with a polyimide polymer of a vinylimidazole or its substituted or unsubstituted vinylimidazolinium salt, which copolymer has a weight average molecular weight 5,000 to 5,000,000. The invention is also directed to an improved method for disinfecting a contact lens. |