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Was Sind Silikon-Hydrogel-Kontaktlinsen?

Seitenaufrufe :
Freigabezeit : 2025-08-30

Silikon-Hydrogel ist ein organisches Polymermaterial, das bei der Herstellung von Kontaktlinsen verwendet wird. Es gilt heute als das erste sauerstoffdurchlässige Kontaktlinsenmaterial. Silikon-Hydrogel-Kontaktlinsen kombinieren die Hydrophilie und Weichheit herkömmlicher Hydrogel-Materialien mit verbesserter Sauerstoffdurchlässigkeit und bieten einen besseren Schutz für die Augengesundheit.


The Entwicklung von Hornhaut-Kontaktlinsen hat dazu geführt, dass Silikon-Hydrogel zu einem großen Durchbruch sowohl bei den Materialien als auch bei der Herstellungstechnologie geworden ist. Während herkömmliche Hydrogel-Linsen zuvor den Markt mit ihrem hervorragenden Komfort und ihren hydrophilen Eigenschaften dominierten, wiesen sie inhärente Schwächen auf. Dazu gehörte eine schnellere Feuchtigkeitsverdunstung, die oft zu Augentrockenheit führte.


By Silikonkomponenten in die traditionelle Hydrogel-Basis integriert, lösten die Hersteller dieses grundlegende Problem. Da Sauerstoff in Silikon eine extrem hohe Löslichkeit aufweist, hängt die Sauerstoffdurchlässigkeit nicht mehr nur vom Wassergehalt ab. Diese Innovation behebt wirksam das Problem der Feuchtigkeitsverdunstung, das frühere Kontaktlinsendesigns plagte.


The Entfernungsverfahren für Silikon-Hydrogel-Kontaktlinsen folgt dem gleichen Verfahren wie bei normalen Linsen. Für manche Träger könnte die Entfernung jedoch aufgrund der verbesserten Feuchtigkeitsspeicherung und der glatteren Oberfläche der Linsen etwas schwieriger sein. Um das Entfernen zu erleichtern, verschieben Sie die Linse vorsichtig von der Hornhaut auf den weißen Teil Ihres Auges, bevor Sie sie mit Daumen und Zeigefinger einklemmen. Wenn Sie Ihre Finger trocken halten, erhöht sich die Reibung für eine einfachere Handhabung. Vermeiden Sie immer die Verwendung von Fingernägeln, die die Linse oder Hornhaut zerkratzen könnten.


Despite ihre Vorteile haben Silikon-Hydrogel-Linsen Einschränkungen. Das Material neigt dazu, im Laufe der Zeit mehr Lipid- und Proteinablagerungen anzuziehen, was sowohl die Sehleistung als auch den Tragekomfort beeinträchtigen kann. Aus diesem Grund sind die meisten Silikon-Hydrogel-Linsen für kürzere Austauschzyklen ausgelegt - in der Regel täglich, wöch

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