Biofinity by Cooper Vision are made from a unique Aquaform material that allows high levels of oxygen to freely flow through the lens to the eye. Biofinity contact lenses combine the perfect balance between water and high levels of oxygen which gives wearers the experience of clear vision without the feel of irrirated, dry contact lenses. Biofinity contact lenses can be worn as a monthly replacement regime or continuously for up to 30 days (under the guidance of your optometrist). Biofinity contact lenses is considered as one of the best continuous wear contact lenses available today.