PureVision Multifocal Monthly Contact Lenses 6PKSick of fuzzy close up vision? These lenses are the go to option for presbyopes for natural, crisp vision unless youve a thing for wearing bulky glasses. PureVision Monthly Contact Lenses use silicone hydrogel made from AerGel material to provide extraordinary clarity and phenomenal comfort. They also allow plenty of oxygen to pass through to the cornea, so your eyes keep looking healthy, fresh and white all day. Approved for 30 days of continuous