Why won Transitions lenses activate in the car?
Transitions lenses need ultraviolet radiation to change color. Most vehicles have windshields and windows with a UV filter in them therefore they do not work well in a vehicle. If you drive a lot, consider Drivewear® Transitions® SOLFX™ lenses, which uses new technology to react to visible light as well as to UV light. Designed specifically to meet the unique visual demands of the driving task, Drivewear is the first polarized photochromic lens to darken behind the windshield of a car. This allows Drivewear lenses to change color based on current driving conditions in order to enhance the driver’s vision. In addition, Drivewear lenses are polarized to block blinding glare, another distinct advantage when driving a car.
