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Here I will tell you when first time sun glasses were used. 1920 period of world war, many countries are used to fight with each other. In war they try of fight in night and in storms and in dust. So to protect form the dust and storm they started using the glasses. With the help of sunglasses solders used to get clear sight and they protected their eyes while fighting with enemies. the invention of sunglasses didn't derive solely from the desire to shield the eyes from the sun. Much like one of their alternative uses today, the first documented purpose of sunglasses was to shield facial expressions instead of sunlight. Since then, sunglasses have been used for everything from blocking harmful rays while in outer space, to enabling the wearer to see through water. They glasses used in many ways as follows. Smoky Quartz in China One of the first concepts of sunglasses dates back to the 12th century, when court figures in China wore glasses with smoky quartz lenses in order to hide their facial expressions. In doing so, the judges could give the illusion of non-responsiveness to the testimonies, therefore not revealing their decision until the final verdict. Colors for Better Vision The first sunglasses created for the community came to mild in the 1700's, when designer and creator Wayne Ayscough from Britain created glasses with blue or green tints. Ayscough believed that the shade could improve perspective, and he marketed the colors for community use. Though his intention was not to prevent the sun, his innovation was another foundation in the history of sunglasses design. Sunglasses for Medical Aid In the Nineteenth millennium, a syphilis occurrence appeared in European countries. Yellow and brown-tinted sunglasses were prescribed to people who carried syphilis, to deal with one of the disease’s symptoms of visual understanding to mild. Mainstream Popularity The first landmark in sunglasses reputation was started by Sam Promote in 1929. Promote, creator of Promote Grant sunglasses, developed the first affordable sunglasses created for mass production. Promote marketed sunglasses on the Ocean City Boardwalk, and his products soon obtained extensive reputation in America. The company grew even larger in reputation in the Sixties, with their “Who’s That Behind Those Promote Grants?” strategy, which made popular the sunglasses with Superstars. this is the history of sun glasses. i hope you enjoyed this article lot. Know more about glasses prescription
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