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Sunglasses are especially important for children, as their ocular lenses are thought to transmit far more HEV light than adults (lenses "yellow" with age). There has been some speculation that sunglasses actually promote skin cancer . [ 32 ]
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 ...
[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.
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 ...
StyleMark is a global distributor of fashion, sport, and children's sunglasses. In 2011, it was acquired by the Italian group Safilo. [14] Following the acquisition, Safilo moved Polaroid Eyewear's production from Scotland to China [6] and the historic Scottish production site in Dumbarton was completely dismantled. [15]
Euclid did not define the physical nature of these visual rays but, using the principles of geometry, he discussed the effects of perspective and the rounding of things seen at a distance. Where Euclid had limited his analysis to simple direct vision, Hero of Alexandria (c. AD 10–70) extended the principles of geometrical optics to consider ...
Timothy McCree Johnson was fatally shot by ex-Sgt. Wesley Shifflett outside Tysons Corner Center mall on Feb. 22. FAIRFAX, Va. The post Cop who shot, killed Black man in alleged sunglasses theft ...
Ray-Ban is a brand of luxury sunglasses and eyeglasses created in 1936 by Bausch & Lomb.The brand is best known for its Wayfarer and Aviator lines of sunglasses. In 1999, Bausch & Lomb sold the brand to Italian eyewear conglomerate Luxottica Group for a reported $640 million.