Ocular Allergy Prevalence and Incidence of Allergic Conjunctivitis in the AAO IRIS® Registry Jan 31, 2022 Marguerite McDonald, MD, FACS Related Publications Pataday® Dual-action Ophthalmic Drops For Ocular Allergies Ocular Allergy Dual-action anti-allergy agents, including olopatadine, utilize two mechanisms of action to provide ocular allergy itch relief: antihistamine and mast cell stabilization Learn More ↑