Air Optix Plus HydraGlyde is spherical monthly lenses - the only contact lens with HydraGlyde Moisture Matrix technology, which allows the lens surface moisture is maintained throughout the day. Guarantee 5 times higher oxygen permeability than conventional hydrogel lens of low Dk / t. Unique technology SmartShield provides protection against pollution for example. Remnants of cosmetics and hand creams. Air Opitix HydraGlyde Plus has the ability to occasionally wear lenses mode extended to 6 days and nights.