The photochromatic lenses darken and lighten back down to their original tint according to the outdoor light conditions. However, please note that they will not change signficantly behind the windscreen of a car because most windscreens are now tinted.
Check out your many more Original Wayfarer options by hitting the related links below or visiting the Sports Shades Online
Ray-Ban department. Ray-Ban Original Wayfarer is ideal for prescription sunglass wearers - check out the related links below for prescription sunglass lenses for Orginal Wayfarer including the Transitions photochromatic options!