The AIR OPTIX Night & Day AQUA contact lens is made from the new fluorine hydrogel material lotrafilcon A and has a water content of 24%. It is equipped with the Aqua Moisture wetting system, has an ultra-smooth surface and also very good oxygen permeability, which means it can be worn continuously for up to 30 days and 30 nights even if the wearer is often exposed to bad lighting.