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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.
Essilor International is an international ophthalmic optics company that designs, manufactures and markets lenses to correct or protect eyesight. [ 1] Its headquarters is in Charenton-le-Pont (near Paris), France . It is the world's largest manufacturer of ophthalmic lenses. [ 2]
The Carl Zeiss AG & Varilux lenses were the first PAL of modern design. 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 ...
EssilorLuxottica SA is an Italian-French vertically integrated multinational corporation based in Paris and founded on 1 October 2018 from the merger of the Italian Luxottica with the French Essilor. The eyewear -focused group designs, produces and markets ophthalmic lenses, optical equipment, prescription glasses and sunglasses .
India is a signatory to Hong Kong International Convention for the safe and environmentally sound recycling of ships. India plans to pass the "Recycling of Ships Act, 2019" to ratify the Hong Kong treaty. This will allow India to capture its targeted 60% in the global ship breaking business while doubling the annual to US$2.3 billion target. [10]
Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.
Aschenbrenner is a former researcher on OpenAI’s Superalignment team who was fired for allegedly “leaking information,” although he says he was fired after raising concerns to OpenAI's board ...
In 1899, Science summarised Ratzel's findings over India with, "India is for the author [of the History of Mankind, Ratzel], a region where races have been broken up pulverized, kneaded by conquerors. Doubtless a pre-Dravidian negroid type came first, of low stature and mean physique, though these same are, in India, the result of poor social ...
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