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Polaroid Eyewear manufactures polarized sunglasses and polarized lenses, as well as optical frames, reading glasses, and clip-on lenses. Polaroid Eyewear was a part of the StyleMark group and sold to the Safilo Group in November 2011. Polaroid headquarters is located in Padua (Italy).
Sunglasses can improve visual comfort and visual clarity by protecting the eye from glare. [24] The lenses of polarized sunglasses reduce glare reflected at some angles off shiny non-metallic surfaces, such as water. They allow wearers to see into water when only surface glare would otherwise be seen, and eliminate glare from a road surface ...
After many years as rivals, Essel and Silor merged on 1 January 1972 to form Essilor, then the world's third-largest ophthalmic optical firm. [1] Its first year of existence was marked by the creation of Valoptec, a non-trading company composed of stockholder managers who held half the company's capital stock, and the purchase of Benoist-Bethiot, a French lens manufacturer specializing in ...
Throughout history, progression of the sunglasses began to change to serve more as a fashion stable, than eye wear for sun protection. The term "Sunglasses" began being used around the 1900s. Before then, sunglasses were being used for more extreme weather conditions, like for polar explorers or for people visiting equatorial colonies. [1]
If, for example, the user is wearing polarized sunglasses, the watch may be difficult to read because the plane of polarization of the display is roughly perpendicular to that of the glasses. [78] [79] If the light that illuminates the display is polarized, for example if it comes from a blue sky, the display may be difficult or impossible to read.
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