Did you mean: Photochromic Lenses?
Web Results

Photochromic lens - Wikipedia

en.wikipedia.org/wiki/Photochromic_lens

Photochromic lenses are optical lenses that darken on exposure to specific types of light of sufficient intensity, most commonly ultraviolet (UV) radiation. In the ...

Photochromic Lenses: Transitions and Other Light-Adaptive Lenses

www.allaboutvision.com/lenses/photochromic.htm

Dr. Gary Heiting outlines a buyer's guide to photochromic lenses (including Transitions lenses) for eyeglasses and sunglasses that darken automatically ...

Do ZENNI photochromic lenses get the same dark as transitions ...

www.zennioptical.com/blog/do-zenni-photochromic-lenses-get-the-same-dark-as-transitions/

Mar 11, 2015 ... We get asked a lot about how our photochromic lenses stack up with Transitions. ® Well we wanted to know the answer to that as well, so in this ...

Transitions Lenses | Photochromic Glasses | Adaptive Lens ...

www.transitions.com/en-us/

Discover Transitions Optical photochromic lenses and glasses. Get adaptive lenses and designer sunglasses for UV protection from Transitions.

Help Guide :: Learn About Chromatic Lenses

www.replacementlensexpress.com/about-effects.html

Photochromatic lenses such as those made by Transitions Optical are clear (or nearly clear) indoors and darken automatically in outdoor sunlight. They provide  ...

How do Transitions® photochromic lenses work? - Explain that Stuff

www.explainthatstuff.com/photochromiclenses.html

Feb 27, 2016 ... A simple explanation of how photochromic (light-sensitive) eyeglass lenses darken in the light and lighten in the dark.

Photochromic Lenses Explained - Online Opticians UK

www.onlineopticiansuk.com/photochromic-lenses-explained-i149

Photochromic Lenses Explained - A Guide To The Advantages & Disadvantages of Photochromic Lenses: Click Here>

FAQ (Frequently Asked Questions) - X-Cel Optical Company

www.x-celoptical.com/faq.php

Glass photochromic lenses unlike plastic lenses have high index glass bifocals fused into the photochromic lens blank. They are not able to make these higher ...

World Optic - Photochromatic Lenses - Transitions

www.worldoptic.com/lenses/photo-chromatic-transitions-glasses.php

Most advanced Photochromatic lenses available including Transition. Photo- chromatic lenses are lenses that adjust to the amount of Ultra Violet (UV) light ...

Photochromic Lenses Explained - Prescription

www.eyekit.co/information/lenses/what-are-photochromic-lenses.html

Photochromic lenses were originally developed in the 1960's and made from glass. They worked a bit like pieces of old-fashioned, photographic film.

More Info

What is the difference between polarized lens tint & photochromic or ...

www.zennioptical.com

Mar 11, 2015 ... Photochromic lenses (of which Transitions® is the best-known brand) on the other hand, start out clear but turn dark in the bright sunlight.

Photochromic Technology | Photochromic Lenses | Transitions Optical

www.transitions.com

Read about the photochromic technology in Transitions Optical glasses. Our photochromic Transitions lenses react to light and offer UV protection.

Fast dark. Fast clear: Self-tinting lenses by ZEISS | ZEISS International

www.zeiss.com

And the best thing is that PhotoFusion high- and mid-index self-tinting lenses turn up to 2 times faster* from dark to clear than previous photochromic lenses ...