Biofinity® Premium monthly disposable lens from Cooper Vision. Biofinity is made from silicon hydrogel material (comfilcon A) that allows greater levels of oxygen to freely flow throught the lens to the eye to provide a higher level of comfort, over a longer period of time, than any other contact lens, especially if you're one ot the majority of lenswearer who experience discomfort or dryness, or if you spend extended periods of time looking at a computer sceen or climate-controlled environments.