Ocular Allergy Understanding Ocular Comfort Differences Between Pataday Once Daily Relief Extra Strength and Alaway Feb 01, 2022 Andrew Pucker, OD, PhD, FAAO, FSLS 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 ↑