#$%^&*AU2010241211B220121220.pdf#####C.\NRPorbl\DCC\DARW27X6211_1.DOC-/ll/12010 ABSTRACT Ophthalmic compositions comprising ketotifen, a source of hydrogen peroxide 5 providing an amount of hydrogen peroxide of from about 0.001 to about 0.1 % (w/v), one or more ocular-compatible hydrogen peroxide stabilizers, HPMC and CMC, and methods for the treatment and prevention of allergic conjunctivitis using these ophthalmic compositions are provided herein.