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  2. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    A pair of contact lenses, positioned with the concave side facing upward. Putting contacts in and taking them out. One-day disposable contact lenses with blue handling tint in blister-pack packaging. Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used ...

  3. Adolf Gaston Eugen Fick - Wikipedia

    en.wikipedia.org/wiki/Adolf_Gaston_Eugen_Fick

    Died. 11 February 1937. (1937-02-11) (aged 84) Herrsching am Ammersee, Germany. Known for. Inventor of contact lens. Adolf Gaston Eugen Fick (22 February 1852 – 11 February 1937) was a German ophthalmologist who invented the contact lens. He was the nephew of the German physiologist Adolf Eugen Fick, and the son of the German anatomy ...

  4. History of optics - Wikipedia

    en.wikipedia.org/wiki/History_of_optics

    Between the 11th and 13th centuries, so-called "reading stones" were invented. Often used by monks to assist in illuminating manuscripts, these were primitive plano-convex lenses, initially made by cutting a glass sphere in half. As the stones were experimented with, it was slowly understood that shallower lenses magnified more effectively ...

  5. Lens - Wikipedia

    en.wikipedia.org/wiki/Lens

    Spectacles were invented as an improvement of the "reading stones" of the high medieval period in Northern Italy in the second half of the 13th century. This was the start of the optical industry of grinding and polishing lenses for spectacles, first in Venice and Florence in the late 13th century, [11] and later in the spectacle-making centres ...

  6. Scleral lens - Wikipedia

    en.wikipedia.org/wiki/Scleral_lens

    A scleral lens is a prototypical lens dating back to the early 1880s. Originally these lenses were designed by using a substance to take a mold of the eye. Lenses would then be shaped to conform to the mould, initially using blown glass and then ground glass in the 1920s and polymethyl methacrylate in the 1940s. [6]

  7. Otto Wichterle - Wikipedia

    en.wikipedia.org/wiki/Otto_Wichterle

    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 ...

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