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Biomedical Applications of Hydrogels Handbook
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SYSNO ASEP 0348447 Document Type M - Monograph Chapter R&D Document Type Monograph Chapter Title Hydrogels contact lenses Author(s) Michálek, Jiří (UMCH-V) RID, ORCID
Hobzová, Radka (UMCH-V) RID, ORCID
Přádný, Martin (UMCH-V) RID
Dušková, Miroslava (UMCH-V) RID, ORCIDSource Title Biomedical Applications of Hydrogels Handbook. - New York : Springer, 2010 / Ottenbrite R. M. ; Park K. ; Okano T. - ISBN 978-1-4419-5918-8 Pages s. 303-315 Number of pages 13 s. Number of pages 432 Language eng - English Country US - United States Keywords contact lenses ; hydrogels ; silicone-hydrogels Subject RIV EI - Biotechnology ; Bionics R&D Projects KAN200520804 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z40500505 - UMCH-V (2005-2011) UT WOS 000282071200016 DOI 10.1007/978-1-4419-5919-5_16 Annotation Contact lenses can be classified in a number of ways; however, the two main categories are hard and soft lenses, which are based on the material used for their manufacture. The soft lens category can be further divided into hydrophobic and hydrophilic subcategories. Consequently, the development of contact lens materials took three specific directions: hydrogels with high water content, rigid gas-permeable lenses with enhanced oxygen permeability, and surface modification of silicone elastomer lenses. These polymeric systems are expected to improve the water content of the contact lenses as well as the permeability to oxygen, which are crucial properties but controllable through the molecular design. Currently, the high water content hydrogels are being challenged by the silicone-hydrogels for the world market share. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2011
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