Product Description Manufactured by CooperVision, Biofinity XR contact lenses provide an extended range to cater for more extreme prescriptions. With a range of 20. 00 to 15. 00 available, these monthly contact lenses can essentially offer visual correction for anyone. With their patented, exclusive Aquaform Technology, CooperVision have created contact lenses that remain soft, flexible and hydrated throughout the whole day. These silicone hydrogel contact lenses have a low modulus and high oxygen transmissibility which allows more oxygen through to the eye, resulting in fresher, healthier eyes, even at the very end of the day. Wearing Biofinity XR contact lenses Biofinity XR contacts are monthly contact lenses designed for daily wear, for up to 30 days. All you ll need to do is clean and store your contact lenses in a suitable contact lens solution each night. Need more optical advice help? Ask our optical experts