How Do Photochromic Lenses Work?
Well for starters, since they adapt their tint based on how bright it is outside, glasses with variable tint lenses are ideal for people who wear both glasses and sunglasses, and frequently go inside and outside. One of the main advantages of combining the two into one saves you from having to carry around two sets of glasses everywhere. That means no more trying to fit bulky glasses cases in your pocket or trying to remember the last place you stored your shades.
Complaint
