With their patented AerGel material, Bausch and Lomb’s PureVision contact lenses promise comfort and visual clarity all in one! AerGel material permits oxygen to reach your eyes and even keeps oxygen flow at natural levels. It is also known to repel debris and help prevent protein build-ups. This reduces the need to constantly clean your contact lenses unlike other brands. With its aspheric optical design, PureVision contact lenses are able to provide high definition and exceptional vision anytime, anywhere. Whether you are farsighted or nearsighted, PureVision contact lenses can give you clear vision with comfort and a pair of healthy looking eyes!