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Varilux. Varilux is a brand name belonging to Essilor International, a producer of corrective lenses. The first version of the lens was invented by Bernard Maitenaz and released in 1959, and was the first modern progressive lens to correct presbyopia. The progressive lens is characterized by correcting near, intermediate and far vision.
Bernard Maitenaz, patented Varilux in 1953, and the product was introduced in 1959 by Société des Lunetiers (now Essilor). The first Varilux lenses' surface structure was however still close to a bifocal lens, with an upper, aberration-free half of the surface for far vision and a rather large "segment" for clear near vision.
The rest of the novel is devoted to his efforts to repair the Time Machine and leave this time period before getting infected with the disease. He also has an encounter with Robert Hooke. He eventually dies of the disease on 20 September 1665. The story gives a list of subsequent owners of the manuscript until 1976.
After many years as rivals, Essel and Silor merged on 1 January 1972 to form Essilor, then the world's third-largest ophthalmic optical firm. [1] Its first year of existence was marked by the creation of Valoptec, a non-trading company composed of stockholder managers who held half the company's capital stock, and the purchase of Benoist-Bethiot, a French lens manufacturer specializing in ...
Sadly, the Alpine Mastiff's numbers dwindled due to crossbreeding with other large breeds, such as the Saint Bernard and the English Mastiff. By the late 19th century, the purebred Alpine Mastiff ...
Myth #1: Your brain stops growing at a certain age. Scientists used to think that the brain stopped developing after adolescence. But we now know that your brain can change and develop at any age ...
A group of ancient three-eyed reptiles, from a species that dates back before the dinosaurs, have been welcomed at a zoo. The reptiles, called tuataras, have moved into a new habitat at Chester ...
Tim Robbins as Bernard Holland, the strict head of the IT Department in the Silo; Harriet Walter as Martha Walker, an electrical engineer who runs a workshop in the lower levels of the Silo and acts as a parental figure to Juliette; Avi Nash as Lukas Kyle, a systems analyst in the IT Department who is curious about the world outside the Silo
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