Optrex Red Eye Eye Drops Optrex Red Eye Drops relieve redness of the eye caused by minor eye irritations. Dusty smoky atmospheres, eye strain & chlorine in swimming pools can make the eyes red & bloodshot. When the eyes are red it is usually because more blood than normal is flowing through the small blood vessels of the eye. Optrex Red Eyes Drops are medicated to relieve red, bloodshot eyes fast. Its cooling formulation soothes the irritation & calms the redness of bloodshot eyes, restoring normal blood flow. Temporary relief of redness of the eye due to minor eye irritations. Don't use Optrex Red Eye Drops while or just before wearing your contact lenses. Wait 15 minutes after application before wearing contact lenses. Ingredients Active ingredients: Witch Hazel, Distilled (12.5 % v/v) & Naphazoline Hydrochloride (0.01 % w/v). Other ingredients: Purified Water, Boric Acid, Glycerin, Disodium Edetate, Borax & Benzalkonium Chloride Directions Adults: Gently squeeze 1 or 2 drops into the corner of each eye no more than 4 times daily. Children under 12: Not recommended for use. Don't use Optrex Red Eye Drops more than 4 times in 24 hours.