Air Optix Night & Day Aqua Contact Lenses - 6 pack (1 month wear)Color Description A contact lens that fits your lifestyle. AIR OPTIX NIGHT & DAY AQUA contact lenses are FDA approved for daily wear for up to 30 nights of continuous wear.* They allow 6 times more oxygen transmission than ordinary disposable contacts. Perfect for those always on the go and forget to take out their contact lenses. *Not everyone can sleep in lenses or wear lenses for a full 30 nights. Ask your optician to confirm if this is right for