Air Optix Night & Day Aqua contact lenses offer optimum moisture for everyday wear. These lenses are so lubricating that they can even be worn overnight and have been approved by the FDA for up to 30 nights of continuous wear!These lenses come highly recommended by eye care professionals. With an awesome moisture retention feature, wearers can enjoy continuous freshness. Keep your eyes moist and your vision crystal clear with Air Optix Night & Day Aqua.Relax and enjoy days of crisp, comfortable vision. If you’re after convenience in a contact lens, then this product is for you.lenses.