Biofinity by Cooper Vision are a premium contact lens for the ultimate in comfort and vision. These extended wear lenses, made from silicone hydrogel, can be worn for up to 7 days in a row without any discomfort. If you're worried about these becoming dry, don't worry, the silicone hydrogel ensures the lens remains moist at all times. Have a question? Speak to an optical advisor on 03303 801 190.