PureVision 2 for Presbyopia are easy-to-fit multifocal lenses by Bausch + Lomb. They have thin, rounded edges that make them ultra comfortable to wear throughout the whole day…and for even longer! They’re designed to be worn for up to 30 days continuously - which means you can even keep them in while you’re asleep. Users of the PureVision Multi-Focal contacts can start using the new PureVision 2 for Presbyopia lenses with a new prescription.