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People may also wear sunglasses to hide an abnormal appearance of their eyes. ... Shutter shades were invented in the late 1940s, ...
Sunglasses may be worn for aesthetic purposes, or simply to hide the eyes. Examples of sunglasses that were popular for these reasons include tea shades and mirrorshades. Many blind people wear nearly opaque glasses to hide their eyes for cosmetic reasons. Many people with light sensitivity conditions wear sunglasses or other tinted glasses to ...
[49] [48] Sunglasses make up 42% of the global eyewear market as of 2020. They protect the eyes from sun damage and conjunctivitis, but are also sold as fashion accessories, with many consumers opting to have a number of sunglasses for different occasions. [48] EssilorLuxottica controls a dominant portion of the eyewear retail market.
In 1920, the Italian scholar Isidoro del Lungo (1841–1927) pointed out (1) that nowhere else had a "Salvino degli Armati" been credited with being the inventor of eyeglasses, (2) that in the 14th century, the epitaph would have read "le peccata", not "la peccata", and most importantly, (3) that the term "inventor" did not exist in the ...
The AN6531 Comfort Cable aviator sunglasses frame kept being issued by the U.S. military as No. MIL-G-6250 glasses after World War II with different lenses as Type F-2 (arctic) and Type G-2 aviator sunglasses but fitted with darker lenses until their substitute the Type HGU-4/P aviator sunglasses became available in the late 1950s. [6] [7] [8]
The first louvered sunglasses date from the 1950s. [citation needed]A modernized version was released in the early 1980s. Sometimes referred to as "Venetian blinders", examples were featured in the music videos for "Glittering Prize" by Simple Minds in 1982 and "Obsession" by Animotion in 1984.
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For the same reason sunglasses and filters were used by the American Army, especially for aviation, indeed Polaroid glasses were thought to protect aviator from sunlight but also atomic bomb explosions. [8] Cool-Ray was a division of American Optical for the sunglasses. It was the originator of the polarized sunglass as it is known today.