Designed for deep cleaning large diameter lenses (11mm to 23mm) in Menicon progent solution. A non-vented barrel style contact lens case fabricated with clear polycarbonate (PC) cylinder with acrylonitrile-butadiene-styrene (ABS) copolymer non-vented screw cap and lens holder/basket. Each lens basket is molded with a letter, "L" or "R", for ease in proper lens identification. The left lens basket is also colored grey to assist patients who are not currently wearing their contact lenses.