Seasonal allergies can cause red, itchy, inflamed eyes. OCuSOFT® Retaine® Allergy™ Olopatadine Hydrochloride Ophthalmic Solution, USP 0.2% only needs to be used once daily and work in minutes to provide relief from pet dander, pollen, grass, ragweed, and other contaminants. Each multi-dose bottle contains a 30-day supply that works directly on the cells that make eyes itch for long-term support of allergy eye symptoms.