Avaira monthly replacement silicone hydrogel contact lenses help keep your eyes clear, white, and healthy looking. Made by 54% enfilcon A and 46% water content they have an exceptional ability to stay moist and transmit high levels of oxygen through the lens material as a result of the exclusive Aquaform® Comfort Science Technology. Their unique material binds water within the lens without the need for additional surface treatments or wetting agents and creates a softer, more flexible lens. The result? An extreme comfort wearing experience.