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Otto Wichterle (Czech pronunciation: [ˈoto ˈvɪxtr̩lɛ]; 27 October 1913 – 18 August 1998) was a Czech chemist, best known for his invention of modern soft contact lenses. [1] Wichterle is the author or co-author of approximately 180 patents and over 200 publications. The studies and independent books covered various aspects of organic ...
Artist's impression of Leonardo's method for neutralizing the refractive power of the cornea. Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, [9] wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.
The first contact lenses were made of glass, in 1888. Initially the glass was blown but soon lenses were made by being ground to shape. For the first fifty years, glass was the only material used. The lenses were thin, yet reports of injury were rare. In 1938 perspex (polymethylmethacrylate, or PMMA) began to replace glass in contact lens ...
Adolf Eugen Fick. He is the brother of Franz Ludwig Fick. He is the uncle of Adolf Gaston Eugen Fick who invented the contact lens. [2] Adolf Eugen Fick (3 September 1829 – 21 August 1901) was a German -born physician and physiologist.
August Müller (1864 – 1949), born in Mönchengladbach, was a medical student at the University of Kiel, Germany, and a pioneer in the manufacture of contact lenses. In 1889, he presented at the university his doctoral thesis titled Eyeglasses and corneal lenses [1] [2] in which he described his efforts to grind scleral lenses from blown glass.
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1886: Charles Martin Hall and independently Paul Héroult invent the Hall–Héroult process for economically producing aluminum in 1886. 1886: Karl Benz invents the first petrol or gasoline powered auto-mobile (car). [ 440 ] 1887: Carl Josef Bayer invents the Bayer process for the production of alumina.
With 30 employees, Frontier manufactured a line of hard contact lenses through the 1970s. During the 1970s, Frontier developed a new material (etafilcon A), and the company began making soft lenses. Frontier was among the first in the US to take this material, widely used in Europe, and combine it with a lathe cutting process to produce soft ...
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