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2. Essilor - Wikipedia

   en.wikipedia.org/wiki/Essilor

   Essilor International is an international ophthalmic optics company that designs, manufactures and markets lenses to correct or protect eyesight. [1] Its headquarters is in Charenton-le-Pont (near Paris), France . It is the world's largest manufacturer of ophthalmic lenses. [2]

3. Anti-reflective coating - Wikipedia

   en.wikipedia.org/wiki/Anti-reflective_coating

   Anti-reflective coatings are often used in camera lenses, giving lens elements distinctive colors. Such colors indicate the wavelength of visible light least affected by the antireflective properties of the coating. A variety of colors can be produced whose precise hue depends entirely on the thickness of the coating.

4. CR-39 - Wikipedia

   en.wikipedia.org/wiki/CR-39

   Poly (allyl diglycol carbonate) (PADC) is a plastic commonly used in the manufacture of eyeglass lenses alongside the material PMMA ( polymethyl methacrylate ). The monomer is allyl diglycol carbonate (ADC). The term CR-39 technically refers to the ADC monomer, but is more commonly used to refer to the finished plastic.

5. Shoppers love this $7 eyeglass cleaning kit to get lenses ...

   www.aol.com/lifestyle/shoppers-love-this-7...

   This kit is designed to clean pretty much anything you might put over your eyes — prescription eyewear, blue-light glasses, sunnies, virtual reality gear, even cameras and devices.

6. Keep your lenses perfectly clean with this pocket-sized ... - AOL

   www.aol.com/lifestyle/keep-lenses-perfectly...

   This carbon eyeglass cleaner leaves the inside and outside of your lenses smudge-free every time. Use the included brush to remove dust, then apply the facing carbon pads to wipe off oils and ...

7. Transitions Optical - Wikipedia

   en.wikipedia.org/wiki/Transitions_Optical

   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] From inception the company has been a joint ...