AIR OPTIX® NIGHT & DAY® AQUA contact lenses are FDA-approved for daily wear and up to 30 nights of continuous wear. They are the contact lens brand most recommended by eye care professionals for patients who sleep overnight in their contact lenses. Get up to 6X more breathable* than traditional soft contact lenses, AIR OPTIX® NIGHT & DAY® AQUA contact lenses allow oxygen to flow through the lens, for white, healthy-looking eyes. It is the most breathable* soft contact lens on the market.