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A photochromic eyeglass lens, part of the lens darkened after exposure to sunlight while the other part remained covered. 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.
One of the most famous reversible photochromic applications is color changing lenses for sunglasses.The largest limitation in using photochromic technology is that the materials cannot be made stable enough to withstand thousands of hours of outdoor exposure so long-term outdoor applications are not appropriate at this time.
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]
Many of the sunglasses carried by Costco Optical are from designer brands, including: ... Transitions photochromic lenses. Blue-light blocking technology. Anti-reflective lenses.
The glasses continue to be popular with women, and celebrities may use them, ostensibly to hide from paparazzi. Oversized sunglasses, because of their larger frames and lenses, are useful for individuals who are trying to minimize the apparent size or arch of their nose. Oversized sunglasses also offer more protection from sunburn due to the ...
Serengeti Eyewear is a sunglasses line owned by Bollé Brands. Their main focus is eye protection ; the company researches and develops technology such as photochromic lenses , polarized lenses , spectral control , among others.
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related to: photochromic transition sunglasses- 601 N High Street,, Columbus, OH · Directions · (614) 745-8101
GQ Calls it the Netflix of Eyewear - Huffington Post
ebay.com has been visited by 1M+ users in the past month