This listing is for 3 bulk units. The weather or allergies can cause your eyes to become red and itchy. Relieve redness and irritation with Bausch & Lomb Opcon-A Eye Allergy Relief. The drops contain soothing ingredients that fight redness and itching caused by allergies and weather, so you don't need to worry about your eyes. OPCON-A EYE DROPS: Help relieve eye allergy symptoms, caused by pollen, ragweed, dander, animal hair, & grass, with Opcon-A eye drops which combine an antihistamine for itch relief with a redness reliever. EYE DROPS FOR ALLERGY RELIEF: Opcon-A eye drops are clinically proven eye allergy relief & help temporarily relieve the redness, itching, & watering caused by airborne allergens like ragweed or grass. DO YOU SUFFER FROM EYE ALLERGIES? If you have eye allergy symptoms, then you know how uncomfortable itching, watering eyes caused by pollen, animal hair, dander, or other airborne allergens can be. WHAT CAUSES EYE REDNESS? Generally, your natural tears keep your eyes looking healthy but fatigue, dryness, allergies, & contact lenses are a few causes of red eyes (unrelated to pink eye or infections). BAUSCH + LOMB EYE CARE EXPERTS: Since John Bausch opened an optical goods store In 1853, Bausch + Lomb has focused on innovation and quality in eye care products, from contact lenses to eye drops.