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Photochromic Sunglasses: Shown are Cocoons Aviator XL

Photochromic Sunglasses

The word photochromic comes from two Greek words; photo meaning light and chroma meaning color. Photochromic lenses change color when exposed to light. Some other names for photochromic lenses are Light Adaptive, Variable Tint Lenses, Photochromatic, and some people call them by the popular name brand "Transitions." You can get photochromic lenses that change all the way from completely clear to dark sunglasses, but Photochromic Sunglasses are just for outdoor wear. If you are interested in photochromic lenses for your everyday, clear prescription glasses, you can find more information about Transitions lenses here.

Sunglasses with photochromic lenses start from an already relatively dark tint and get even darker based on the light conditions. Some manufacturers also call these kind of lenses "Drivewear" and popular brands that make use of photochromic technology in their sunglasses are Ray-Ban, Persol, Oakley, Serengeti, and Tag Heuer..

Photochromic sunglasses do not darken when exposed to ANY kind of light. There are molecules in the lenses that change shape when exposed to Ultraviolet (UV) Radiation. The change in the molecules allows them to absorb more light and causes the lenses to darken. This technology can be used in lenses of different materials, but most commonly they are made from glass or polycarbonate. The more UV Radiation the lenses are exposed to, the darker they become. Most photochromic sunglass lenses will begin to significantly darken within about a minute and may continue to get darker for 15 more minutes. They normally take a little bit longer to return to their lighter tinted state.

Because UV rays can penetrate clouds, your photochromic sunglasses will still darken on an overcast day. Another thing to be aware of is that the windows and windshields of many cars are equipped with UV filters, which causes photochromic lenses to be less effective.

If you have questions about ordering Photochromic Sunglasses online, be assured FramesDirect.com have plenty of resources to make the process easy.

Contact one of our experienced opticians if you have any questions about photochromic sunglasses.

Shop Photochromic Sunglasses


Oakley Flak 2.0 XL Sunglasses
Steel / Clear to Black Photochromic (OO9188-16)
From $160
Oakley Radar EV Path Sunglasses
Steel / Clear to Black Photochromic (OO9208-13)
From $180
Oakley Jawbreaker Sunglasses
Polished Black / Clear to Black Photochromic (OO9290-14)
From $200
Oakley Replacement Lenses Flak 2.0 XL Sunglasses
Clear to Black Mirrored Iridium Photochromic (2107)
From $50
Nike Show X2 Sunglasses
Matte Black / Max Transitions Outdoor Lens (EV0672-003)
$166From $134.80
Nike Show X2 Sunglasses
Metallic Pewter / Max Transitions Golf (EV0672-006)
$166From $134.80
Cocoons Slim Line (Medium) Sunglasses
C402GPC Black / Grey Polarized Photochromic Lens
From $61.95
Cocoons Slim Line (Medium) Sunglasses
C402APC Black / Amber Polarized Photochromic Lens
From $61.95
Serengeti Granada Sunglasses
Metallic Gunmetal/ Photochromic Drivers Polarized (7303)
$250$249.99
Serengeti Granada Sunglasses
Satin Black/ Photochromic 555nm Polarized (7301)
$250$249.99
Serengeti Granada Sunglasses
Satin Black / Photochromic Polarized 555nm Blue (8260)
$250$249.99
Serengeti Martino Sunglasses
Shiny-Matte Black / Photochromic Polarized 555nm (7994)
$220$219.99
Serengeti Martino Sunglasses
Shiny Black/ Photochromic 555nm Polarized (7492)
$220$219.99
Serengeti Martino Sunglasses
Dark Tortoise/ Photochromic Drivers Polarized (7511)
$220$219.99
Serengeti Martino Sunglasses
Satin - Shiny Black / Photochromic Polarized Sedona (8264)
$220$219.99
Serengeti Martino Sunglasses
Satin - Shiny Black / Photochromic Polarized 555nm Blue (8263)
$220$219.99
Serengeti Gabriella Sunglasses
Shiny Black / Photochromic Polarized 555nm (7944)
$170From $169.99
Serengeti Gabriella Sunglasses
Shiny Dark Tortoise / Photochromic Polarized Drivers (7945)
$170From $169.99
Serengeti Gabriella Sunglasses
Shiny Red Tortoise / Photochromic Polarized Drivers (7947)
$170From $169.99
Serengeti Gabriella Sunglasses
Sanded Crystal Wine / Photochromic Polarized 555nm (7948)
$170From $169.99
Serengeti Gabriella Sunglasses
Shiny Black / Photochromic Polarized Sedona (8220)
$170From $169.99
Oakley Radarlock Path Sunglasses
Polished Black / Clear to Black Mirrored Iridium Photochromic Vented Lens (OO9181-36)
From $220
Serengeti Carrara Sunglasses
Shiny Dark Gunmetal / Photochromic Polarized 555nm (8294)
$200From $199.99
Serengeti Carrara Sunglasses
Satin Black / Photochromic Polarized 555nm Blue (8295)
$200From $199.99
Serengeti Carrara Sunglasses
Satin Soft Gold / Photochromic Polarized Drivers (8296)
$200From $199.99
Serengeti Carrara Sunglasses
Shiny Espress / Photochromic Polarized Drivers (8297)
$200From $199.99
Persol PO3132S - Folding Sunglasses
Black / Blue Photochromic Polarized Lens (95/4N)
$301.07From $228.82
Oakley Replacement Lenses Flak Jacket XLJ Sunglasses
Clear to Black Mirrored Iridium Photochromic (41-848)
From $50
Oakley Replacement Lenses Flak Jacket XLJ Sunglasses
Clear to Black Mirrored Iridium Photochromic (16-995)
From $50
Cocoons Style Line (MX) Sunglasses
C702APC Black / Amber Polarized Photochromic Lens
From $61.95

ALL Photochromic Sunglasses »

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