PureVision2 For Presbyopia contact lenses provide clarity where it counts in the real world. Do you strain to see your smartphone? How about your tablet or laptop? If you have presbyopia you may be able to continue wearing contact lenses instead of switching to bifocals, or reading glasses. PureVision2 For Presbyopia lenses help maintain clear near, intermediate, and distance vision in real world conditions. These lenses feature a thin lens and rounded edge for a natural feel throughout the day.