Schichtdickenmessungen der retinalen Nervenfaserschicht mit optischer Kohärenztomografie bei Glaukompatienten und Gesunden

Zusammenfassung

Die Schichtdickenmessung der retinalen Nervenfaserschicht (RNF) bei Glaukomen ist zu einem wichtigen diagnostischen Kriterium und Verlaufsindikator geworden. Hohe Bildauflösung und fortgeschrittene Auswertealgorithmen machen dies möglich. Es werden im Folgenden die OCT-Anatomie, Aufnahmetechnik, Normwerte, Progressionsbeobachtung und der Einfluss von Artefakten auf die OCT-Messungen erörtert. Das Wissen um die Möglichkeiten und Fußangeln der OCT-Darstellung soll helfen, diese Technik in den Patientenversorgungsalltag zu integrieren.

Abstract

Thickness measurements of the retinal nerve fiber layer in glaucomas have become an important tool for diagnosis and follow-up of progression. High image resolution and advanced evaluation algorithms led to this achievement. In the following OCT anatomy, imaging technique, normative values, monitoring of progression and the influence of artefacts on OCT measurements are matter of discussion. Knowledge of capabilities and pitfalls of RNF imaging with OCT should help to integrate this technique into daily patient routine.

Schlüsselwörter

OCT - optische Kohärenztomografie - RNF - retinale Nervenfaserschicht - Glaukom

Key words

OCT - optical coherence tomography - RNFL - retinal nerve fiber layer - glaucoma

• Literatur

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