Ads
related to: photochromic lenses pros and consThe quality of the glasses was outstanding. - Bizrate
ebay.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation. In the absence of activating light, the lenses return to their clear state. Photochromic lenses may be made of polycarbonate, or another plastic. Glass lenses use visible light to darken.
Many inorganic substances also exhibit photochromic properties, often with much better resistance to fatigue than organic photochromics. In particular, silver chloride is extensively used in the manufacture of photochromic lenses. Other silver and zinc halides are also photochromic. Yttrium oxyhydride is another inorganic material with ...
HD progressive and polarized lenses. Transitions photochromic lenses. Blue-light blocking technology. Anti-reflective lenses. 1.60 high-index lenses. Universal-fit frames. Multi-functional lenses.
The photochromic lenses available on Ray-Ban's blue light glasses shift in tint throughout the day depending on lighting, and are fitted with anti-reflective treatments and UV filters for ...
5 potential for nighttime vision to be seriously diminished with photochromic lenses. 1 comment. 6 'Transitions' lenses. 1 comment. 7 Photosensitive glass. 1 comment.
Transitions Optical is a U.S.-based company known for manufacturing photochromic lenses, which darken on exposure to specific types of light. The company was founded in 1990. [1] In 1991, Transitions Optical became the first company to commercialize and manufacture plastic photochromic lenses. [2]