Inventors:
David J. McCanna - Rochester NY
Stephen E. Maier - Brockport NY
David J. Heiler - Avon NY
Susan P. Spooner - Penfield NY
Erning Xia - Penfield NY
International Classification:
F61K 31155
C11D 330
C11D 337
Abstract:
The present invention is directed to an ophthalmically safe disinfecting solution for contact lenses comprising the combination of a polymeric biguanide and a polyquaternium polymer of a substituted or unsubstituted vinylimidazole or its vinylimidazoliuum salt, which copolymer has a weight average molecular weight of 5,000 to 5,000,000. The invention is also directed to an improved method of disinfecting a contact lens.