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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.
Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power, added to the wearer's correction for the other refractive errors. The gradient starts at the wearer's distance prescription at the top of the lens and reaches a ...
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.
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]
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 .
A corrective lens is a lens worn on or before the eye. They are used to treat myopia, hypermetropia, astigmatism, and presbyopia ... Varilux; Vertex distance
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