Lenses offered in this category are designed for 30 days wear. The contact lens wearer is expected to wear these lenses all day but remove them for cleaning and storage at night. Proper lens care, as recommended by your eye doctor, will be very important in maintaining the lenses until they are scheduled for replacement. Bestsellers in this category include Air Optix® Aqua, Air Optix® Night & Day® Aqua, Biofinity®, Biofinity® Toric, Focus® Monthly, Frequency® 55, Proclear® Sphere, Proclear® Toric and Purevision®.