Zenni Optical is offering 20% off blue light and photochromic lenses until Sunday, March 16. The sale includes popular lens options like EyeQ and Transitions. Shoppers can get free standard shipping ...

POVEC is introducing electrochromic technology that traditionally belongs in aviation and automotive glass and bringing it ...

At CES, smart glasses were unveiled that replace multifocal lenses with real-time focus adjustment, no cameras or screens, ...