Purevision2 HD For Presbyopia are the latest addition to the popular range of contact lenses from Bausch and Lomb. Designed to provide clear, high definition vision at all distances, these lenses are perfect for those who suffer from presbyopia, and look for an alternative to their bifocals or reading glasses. Purevision2 HD For Presbyopia contact lenses are made from silicone hydrogel: a material which enhances oxygen transmission, ensuring long-lasting hydration to your eyes. In addition, these multifocal lenses feature the cutting-edge 3-Zone Progressive