First, there was eyewear.  Then, there was sunwear.  Now there is Transitions Drivewear, the first lens designed specifically to meet the unique visual demands of the driving task. 
Transitions Drivewear lenses uniquely combine two of the most advanced technologies found in the eyeglass industry today: Transitions® Photochromic Technology and NuPolar® polarization.
Transitions Drivewear lenses are the first photochromic lenses to darken behind the windshield of a car, allowing Drivewear 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.
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Transitions® Drivewear® lenses - Photochromic Polarized Lenses
In the past, clear eyewear was enough. In bright light conditions, polarized sunwear was enough. This is no longer true. Today our lives are strongly influenced by the automobile, which has changed the way we experience the outdoors. We need a third category of lenses in our modern, automobile-centered world. Drivewear.  Drivewear lenses are capable of sensing and reacting to varying light conditions both outside and behind the windshield of the car. From bright sunlight accompanied by intense, blinding glare, to overcast inclement conditions, Drivewear lenses provide the wearer with the appropriate visual solution.
Drivewear is powered by using two of the most advanced technologies found in the eyeglass industry today: Transitions® Photochromic Technology and NuPolar® polarization technology.  Drivewear lenses provide glare protection through polarization and enhance and protect vision through photochromics which respond to both visible and UV light. By combining the strengths of two of the most important technologies in eyewear today we have developed the lens of tomorrow, Drivewear.
Drivewear is currently available in Hard Resin Plano, Single Vision, Flat Top 28 and the Award-Winning IMAGE progressive, and polycarbonate single vision.  With Drivewear lenses, wearers will have the security of knowing their lenses block 100 percent of UVA and UVB rays. Drivewear lenses also utilize NuPolar, the world’s leading polarized Rx technology, to provide protection from blinding glare.  In virtually every daylight driving situation, Drivewear lenses provide optimal visual comfort and safety.
Younger provides many Point-of-Purchase and sales tools to help the Eye Care Professional and consumer better understand how the revolutionary new technology behind the Drivewear lens works.  Materials available to the ECP include brochures, counter cards, lenticular cards, color & glare demonstrator wheels, posters, videos, on-hold messages and more. Ordering support materials is free and easy, and you can even place your order online!

Transitions and the swirl are registered trademarks of Transitions Optical, Inc. 
Photochromic performance is influenced by temperature, UV exposure, and lens material.