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 ...

Get Instant Summarized Text (Gist) Bifocal contact lenses used by young nearsighted children effectively slow myopia progression without losing benefits after discontinuation. In a follow-up study ...

Young nearsighted kids who wear bifocal contact lenses that slow uncoordinated eye growth do not lose the benefits of the treatment once they stop wearing the lenses, new research shows.

A new option for bifocal and trifocal wearers is now available for active-duty personnel and Department of Defense (DoD) retirees. The addition, known as the '5A-M,' was added to ensure there ...