Bausch & Lomb Opcon-A Eye Allergy Itching & Redness Reliever Eye Drops. Temporarily relieves minor eye symptoms of itching & redness caused by pollen, ragweed, grass, animal hair & dander Clinically proven effective for relief of itch, red eyes Once available by prescription only. Opcon-A combines an antihistamine with a redness reliever for the temporary relief of itchy red eyes. * Relieves itching & redness reliever * Eye drops available without a prescription * Temporarily relieves itching & redness caused by pollen, ragweed, grass, animal hair & dander * Clinically proven effective for relief of itchy red eyes *. 5 fl. oz. (15m L) bottle