Abstract: Ophthalmic compositions include a polycation material to enhance antimicrobial efficacy against bacteria such as E. coli. The compositions include eye drop and contact lens treating solutions. A preferred polycation material is cationic cellulose derivatives.
Type:
Grant
Filed:
April 30, 2003
Date of Patent:
June 27, 2006
Assignee:
Bausch & Lomb Inc.
Inventors:
Erning Xia, Joseph C. Salamone, Roya Borazjani, Alyce K. Dobie, Deborah McGrath, Zhenze Hu, Daniel M. Ammon, Jr.