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Erschienen in: Der Ophthalmologe 12/2006

01.12.2006 | Leitthema

Femtosekundenlaser für die refraktive Hornhautchirurgie

Grundlagen, Wirkungsweise und klinische Anwendungen

verfasst von: PD Dr. M. Mrochen, A. Donges, G. Korn

Erschienen in: Die Ophthalmologie | Ausgabe 12/2006

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Zusammenfassung

Die moderne korneale Hornhautchirurgie zur Korrektur von Fehlsichtigkeiten erfordert eine präzise, zuverlässige und reproduzierbare Erzeugung von Hornhautlentikeln (Flaps). Die Verwendung von ultrakurzen Laserpulsen im Zeitbereich von wenigen 100 fs (10-13 s) bietet die Möglichkeit, okuläres Gewebe ohne thermischen Einfluss auf umliegende Gewebestrukturen zu schneiden. Über mechanisch-optische Adaption der Femtosekundenlaser an das Gewebe lassen sich heute sehr dünne Flaps mit einer mittleren Dicke von 100 µm und einer hohen Reproduzierbarkeit (Standardabweichung ca. 10 µm) erzeugen. Somit bieten Femtosekundenlaser bereits heute eine Alternative zu herkömmlichen mechanischen Mikrokeratomen. Bezüglich Sicherheit im klinischen Einsatz sind die Femtosekundenlaser und die mechanischen Mikrokeratome durchaus vergleichbar.
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Metadaten
Titel
Femtosekundenlaser für die refraktive Hornhautchirurgie
Grundlagen, Wirkungsweise und klinische Anwendungen
verfasst von
PD Dr. M. Mrochen
A. Donges
G. Korn
Publikationsdatum
01.12.2006
Verlag
Springer-Verlag
Erschienen in
Die Ophthalmologie / Ausgabe 12/2006
Print ISSN: 2731-720X
Elektronische ISSN: 2731-7218
DOI
https://doi.org/10.1007/s00347-006-1450-4

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