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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.
Beneath the 12-Mile Reef (1953) by Robert D. Webb L-R: Angela Clarke, Robert Wagner, Gilbert Roland & Gloria Gordon . Beneath the 12-Mile Reef is a 1953 American Technicolor adventure film directed by Robert D. Webb and starring Robert Wagner, Terry Moore and Gilbert Roland.
Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...
My#System#for#Making#Sure#I#Do#What#Matters# #! With!all!the!devices!we!use!on!a!daily!basis,!I!still!like!to!make!my!to7do!lists!with!pen!to! paper!!!I!find!it!is ...
In 2020, we began a research program, involving a review of over 1,200 studies, to investigate where our instincts and default tendencies come from and how we can improve them. The answers lie in ...
Alice Adams. Anna Karenina. David Copperfield. The Gilded Lily. Les Misérables. The Lives of a Bengal Lancer. Mutiny on the Bounty. Ruggles of Red Gap.
July 8, 2024 at 10:40 AM. The new remixed and expanded “Mind Games: The Ultimate Collection" is for those John Lennon fans who really, really love his inconsistent 1973 record of the same name ...