Search results
Results From The WOW.Com Content Network
EssilorLuxottica is the largest company in retail sales, owning many of the largest eyewear retail chains in the world. By number of locations, EssilorLuxottica's largest store chain is Sunglass Hut, with 3,239 locations as of 2020.
Sunglasses of this type are sometimes called mirrorshades. A mirror coating does not get hot in sunlight and it prevents scattering of rays in the lens bulk. Sunglass lenses are made of either glass, plastic, or SR-91. Plastic lenses are typically made from acrylic, polycarbonate, CR-39 or polyurethane.