R 1,999.99. Transitions ® photochromic sunglasses, shields and goggles conveniently adjust their level of tint as sunlight changes throughout the day, making outdoor life more visually comfortable to enjoy. English; Spanish; Vietnam. The research study is an ou if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}} When exposed, the molecules change shape, absorbing light and making the lens darker. Previous Product. Photochromic lenses are clear indoors, but a chemical reaction within the lens causes them to darken after about 30 seconds of exposure to ultraviolet (UV) radiation from sunlight. Oh, the photochromic lenses vs. polarized lenses – a debate that never seems to be settled. The SCN-XT™ photochromic lenses are optical lenses that darken on exposure to specific types of light of sufficient intensity, most commonly ultraviolet (UV) radiation. function FadeToNight(){ 022RWX Photochromic Clear/Mirror Activation. function MM_findObj(n, d) { //v4.01 MR Lenses South Africa | 20 followers on LinkedIn. Oakley ® Transitions ® adaptive sunglasses take the hard work off your eyes by automatically adapting to changing outdoor light and increasing contrast and brightness.. Key Features: Available in the Flak ™ 2.0 frame; Incorporates the unbeatable clarity of Oakley’s High Definition Optics ® for improved depth perception and balanced light filtering to boost visual contrast, even in low light Photochromic lenses may be made of glass, polycarbonate, or another plastic. 100% UV PROTECTION. For International Queries please contact us: Photochromic Lenses are lenses that darken when exposed to ultraviolet (UV) radiation, such as outdoor sunlight. There are 173 OEM, 143 ODM, 126 Self Patent. R 2,199.99. Alibaba offers 1,067 Photochromic Suppliers, and Photochromic Manufacturers, Distributors, Factories, Companies. Get adaptive lenses and designer sunglasses for UV protection from Transitions. jQuery('div.fadeD').fadeIn(5000); for(i=0;!x&&d.layers&&i