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After the Second World War, Bollé used molded nylon in the manufacturing process with sunglasses featuring protective lenses. The first pair of safety goggles and masks were added to the Bollé range of products in 1950 [ 4 ] and in 1956 Georges Bollé created the nylon "cat-eye" sunglass and the first cycling specific sunglasses, the Nylon ...
Serengeti sunglasses include tinted photochromic and polarized lenses. [ 4 ] Tucker Viemeister designed aviator style sunglasses in sepia tones for Serengeti in the 1980s.
The new entity will be worth around $50bn (£37bn), sell close to a billion pairs of lenses and frames every year, and have a workforce of more than 140,000 people." [ 34 ] On 1 October 2018 the new holding company EssilorLuxottica was founded, resulting in combined market capitalization of approximately €46.3 billion as of the date of the ...
In 2009, Praputsorn Kosakarn described a method for manual fragmentation of the lens, called "double-nylon loop", which consists in splitting the lens into three pieces for extraction, allowing a smaller, sutureless incision of 4.0 to 5.0 mm (0.16 to 0.20 in), and requires implantation of a foldable IOL. This technique uses less expensive ...
Early corneal lenses of the 1950s and 1960s were relatively expensive and fragile, resulting in the development of a market for contact lens insurance. Replacement Lens Insurance, Inc. (now known as RLI Corp.) phased out its original flagship product in 1994 after contact lenses became more affordable and easier to replace. [citation needed]
This implicitly puts the value of compounds' other constituents, and the cost of extraction of the element, at zero. ... Vanadium: 6.11: 120 (3.324 ...