0.5-fluid ounce bottle of Visine Original Redness Relief Eye Drops to offer eye redness relief and get the red out fast by working in 60 seconds Relieves redness due to minor eye irritations like smoke, lack of sleep and extended screen time by using the active ingredient, 0.05% tetrahydrozoline hydrochloride, as a redness reliever for irritated eyes Fast-acting redness relief formula is from Visine, a brand backed by 60 years of science and expertise