Excessive use of digital products may cause damage to your eyes, which may affect your vision for a long time. In order to have good vision, we recommend you to use professional optometry and wear appropriate glasses.
WHAT IS PHOTOCHROMIC LENS ?
A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation. In the absence of activating light the lenses return to their clear state.