Up to 6x’s more breathable than traditional soft contact lenses, AIR OPTIX® NIGHT & DAY® AQUA contact lenses allow oxygen to flow through lenses for white, healthy-looking eyes. FDA-approved for up to 30 days and nights of continuous wear, AIR OPTIX® NIGHT & DAY® AQUA contact lenses are the most recommended by eye care professionals for people who sleep in their contact lenses. Check with your eyecare professional for the best wearing schedule for your eyes.