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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 ...
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 .
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 ...
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 ...
Television in the Czech Republic. Television was introduced in Czechoslovakia in 1953. Experimental projects with DVB-T started in 2000. Finally on 21 October 2005, multiplex A (DVB-T) was launched with three channels of Česká televize and one of TV Nova and radio channels of Český rozhlas . On 12 April 2006, six digital terrestrial ...
Lenses made of PMMA are called hard lenses. [ 5] Soft contact lenses were first produced in 1961 by Czech chemical engineer Otto Wichterle using polyhydroxyethylmethacrylate (pHEMA), a material that achieved long-term commercial application. Lenses made of polyacrylamide were introduced in 1971. [ 5]
Czech Robinson: Drama 2001 180 Minutes Vůně vanilky [17] Drama 2001 85 minutes Zázračné meče [18] Romantic Fairy Tale 2001 64 Minutes Žabák: Žabák: Adventure 2001 53 minutes Nevěsta s velkýma nohama [19] Fairy Tale 2002 75 Minutes O Ječmínkovi [20] Fairy Tale 2003 68 Minutes O svatební krajce [21] Romantic Fairy Tale 2003 78 ...
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