👓Fotokromatiske briller – Automatisk mørklegging, UV400 blålysblokkeringPhotochromic Glasses Auto Darkening, UV400 & Blue Light Blocking Smart glasses that turn dark in sunlight and clear indoors. UV400 protection + optional blue light blocking. Available in prescription and non prescription. Perfect for daily wear, driving, and screen use designed for the British way of life. One Pair. Two Modes. Clear Inside, Dark Outside. Smart photochromic lenses automatically adjust to sunlight. No need to switch glasses. UV400