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It stated that 20 million sunglasses were sold in the United States in 1937 but estimated that only about 25% of American wearers needed them to protect their eyes. [2] At the same time, sunglasses started to be used as aids for pilots and even produced for the gaining aviation sector, eventually adding to sunglasses as cultural icons and to ...
One major use for the new substance was in the production of hair combs, and this was Foster's first major product at his new company. [ 2 ] Foster Grant's original production line was ladies' hair accessories; over the company's lifetime, they have also produced other plastic materials, including heart-lung pumps.
The eyewear industry is estimated to be valued at US$100 billion as of May 2018. Much of the eyewear industry's prominence and use in fashion occurred in Western cultures during the 1950s, with individual designers and celebrities at the time wearing them in public and increasing the popularity of eyewear, especially sunglasses. [1]
Most over-the-counter sunglasses do not have corrective power in the lenses; however, special prescription sunglasses can be made. People with conditions that have photophobia as a primary symptom (like certain migraine disorders) often wear sunglasses or precision tinted glasses, even indoors and at night.
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 ...
Eugène Schueller, founder of L'Oréal, invented modern synthetic hair dye in 1907 and he also invented sunscreen in 1936. [46] The first patent for a nail polish was granted in 1919. Its color was a very faint pink.
Between the 11th and 13th centuries, so-called "reading stones" were invented. Often used by monks to assist in illuminating manuscripts, these were primitive plano-convex lenses, initially made by cutting a glass sphere in half.
Ray-Ban's most popular sunglasses are the Wayfarer, Erika, and Aviator models. [ 6 ] [ 9 ] [ 10 ] During the 1950s, Ray-Ban released the Echelon (Caravan), which had a squarer frame. In 1965, the Olympian I and II were introduced; they became popular when Peter Fonda wore them in the 1969 film Easy Rider . [ 11 ]