The best contact lenses fit well, are breathable and offer all-day comfort. We tested versions and consulted with an ...

That’s the allure of Acuvue’s forthcoming line of light-sensitive, vision-correcting contact lenses (developed in partnership with Transitions Optical). Each contains a filter that senses the ...

Skip to trip to the doctor's office and get contact lenses delivered straight to your door with the best places to buy contacts online. Nasha is a Managing Editor for CNET, overseeing our sleep ...

Left and right Diagram showing how left circularly polarized (LCP) light is converted by the bifocal lens into separated beams of LCP light and right circularly polarized (RCP) light. (Courtesy: Fan ...

The bifocal lenses are made from bilayer structures of liquid crystal (LC) cells and LC polymer. These lenses split light with a left-handed circular polarization (LCP) into two focused light ...

Researchers have developed a new type of bifocal lens that offers a simple way to achieve two foci (or spots) with ...

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