Basic Pure Brown*Price includes 1 pair of lenses (2 pieces) + 1 piece of lens case* Period of use : 1 Year Diameter : 14mm Base Curve : 8. 6mm Prescription : 0. 00 8. 00 Water Content : 40% Silicone hydrogel contact lenses are a specially designed soft lens. Similar to standard hydrogel soft lenses, these are made of a plastic material, which goes hard when it has dried out but which actively absorbs water to become soft and pliable again. The chief function of