.5-fluid ounce bottle of Visine Red Eye Comfort Redness Relief Eye Drops to offer eye redness relief and gets the red out fast by working in 60 seconds Relieve redness due to minor eye irritations like exposure to smoke, lack of sleep and extended screen time with a formula containing 0.05% tetrahydrozoline hydrochloride The sterile eye drops help relieve red eye due to minor eye irritations The small bottle is conveniently-sized and can be easily carried in your pocket, purse or bag for on-the-go relief anywhere Fast-acting redness relief formula is from Visine, a brand backed by 60 years of expertise