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Extra protection from light, even in the car

Transitions® XTRActive® Lenses are the darkest everyday adaptive lens, maintaining a comfortable hint of tint indoors (and even behind the windshield of a car) and reaching superior darkness outdoors in changing light conditions.

Inside the Car
The glass in car windscreens blocks more than 99% of UV light, so most photochromic lenses do not darken noticeably in the car. Transitions® XTRActive® Lenses contain a specially designed photochromic formula that responds to both UV light and short wavelength visible light, so they are able to adapt in the car.

These lenses are ideal for prescription lens wearers who are sensitive to light and spend a great deal of their time outdoors. Like Transitions® VII lenses the Transitions® XTRActive®
Lenses offer the convenience of wearing the same pair of glasses both indoors and outdoors and they provide automatic ultraviolet and glare protection. They are not meant to replace sunglasses, but rather are designed as everyday wear lenses. Transitions® XTRActive® Lenses are also activated in the lower spectrum of visible light in addition to being activated by ultraviolet light. Therefore, they will darken behind car windshields. As with other Transition® Lenses, the colder the temperature, the darker the lenses become when activated by sunlight.