PHOTOCHROMIC MOLECULES MAKE LIGHT, DARK, AND EVERY SHADE IN BETWEEN POSSIBLE

When Transitions® lenses are exposed to UV light, trillions of photochromic molecules in the lens begin to change structure.  This reaction is what causes the lenses to darken.

All lenses that adapt to light use photochromic molecules; the superiority of Transitions brand technology lies in our exclusive, patented formulas.  Each formula is integrated into the surface of the lens.  These molecules constantly and smoothly recalibrate so the optimal amount of light reaches your eyes whether you’re in bright sunlight, under cloud cover or indoors.

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FROM ORDINARY LENSES TO EXTRAORDINARY TECHNOLOGY

The Transitions photochromic technology becomes an integral part of the lens through one of two specialized processes.

One process is called imbibing. Derived from the Latin word imbibere meaning, to drink in, this method uses heat to draw the photochromic dye into the lens itself.  After the imbibing is complete, a scratch-resistant coating is applied to the surface of the lens.

A number of lens materials do not imbibe readily.  In these cases another method called Trans-Bonding™ is used. Where imbibing places the photochromic technology below the lens surface, the patented Trans-Bonding puts the photochromic technology on the lens surface.

Both the imbibing and Trans-Bonding methods provide the same uniform tint color, regardless of lens thickness differences caused by lens prescriptions. At Transitions Optical we develop and adapt our processes for optimum photochromic performance, lens durability and compatibility with other lens treatments like anti-reflective coating.


BEHIND THE WINDSHIELD

Most photochromic lenses react primarily to UV light.  That’s why they change when you’re in the sun and remain clear indoors.  The glass in car windshields blocks more than 99% of UV light, so most photochromic lenses do not provide sufficient darkening in the car.

We offer an everyday lens solution.  Transitions® XTRActive® lenses contain a specially designed photochromic dye that responds to both UV light and natural (visible, clear or white) light, so they are able to moderately adapt in the car.

We also recommend a pair of prescription sunglasses. Transitions® Drivewear® adaptive lenses enhance the driving experience by combining two of the most advanced technologies in the eyeglass industry. NuPolar® Polarization eliminates glare off the road and car hood. Transitions photochromic technology adjusts the color and tint of the lenses as light conditions change.

TRANSITIONS XTRACTIVE LENSES

TRANSITIONS DRIVEWEAR SUN LENSES



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