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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 ...
The US Food and Drug Administration (FDA) defines soft contact lenses as: made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your ...
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 ...
Drahoslav Lím (September 30, 1925, in Czechoslovakia – August 22, 2003, in San Diego, California) was a Czech chemist. He invented polyhydroxyethylmethacrylate, the synthetic material used for soft contact lenses .
Polarography was invented by Jaroslav Heyrovský in 1922. [6] Cabin motorcycle (Dálník) was invented by Jan Anderle during 1930s. [7] [8] Versatile pencil was invented by Czech company Koh-i-Noor Hardtmuth in 1937. [9] [10] Silon textile material (synthetic fiber) was invented by Otto Wichterle during the 1940s.
August Müller (inventor) 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 ...
Total assets. 3,017,122,000 Czech koruna (2017) Number of employees. 2,364 (2017) Website. www .meopta .com. Meopta - optika, s.r.o. is a Czech -based company that manufactures various products mainly in the field of optics. The company was once well-known for its still and movie cameras, although it no longer manufactures such products.
A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of the eye. Modern soft contact lenses were invented by the Czech chemist Otto Wichterle and his assistant Drahoslav Lím , who also invented the first gel used for their production.