| abstract |
(57) [Summary]nTopically administrable anti-allergic compositions comprising olopatadine and a polymeric quaternary ammonium preservative are suitable for use by patients wearing contact lenses. A multidose antiallergic composition suitable for use by a patient wearing a contact lens, which can be administered topically, wherein the antiallergic effective amount of a drug selected from the group consisting of olopatadine and emedastine; and as a preservative A composition comprising an ophthalmically acceptable polymeric quaternary ammonium compound, with the proviso that the composition does not comprise benzalkonium chloride. |