Capping ten years of work to stem the tide of nearsightedness, David Berntsen, Golden-Golden Professor of Optometry and chair of Clinical Sciences at the University of Houston College of Optometry, is ...

Lenses featuring a trippy, spiral design could offer an alternative to traditional multifocal lenses. They seem to produce clearer images than standard multifocals, even in dim light. The lenses were ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. Multifocal and single vision lenses performed similarly ...