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Klin Monbl Augenheilkd 2012; 229(2): 119-125
DOI: 10.1055/s-0031-1299260
Übersicht
© Georg Thieme Verlag KG Stuttgart · New York

Die Laser-Scanning-Tomographie in der Glaukomsprechstunde

Laser-Scanning-Tomography in Clinical Routine
R. O. Burk
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Publication History

21 November 2011

19 January 2012

Publication Date:
14 February 2012 (online)

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Zusammenfassung

Die Laser-Scanning-Tomografie mit dem Heidelberg Retina Tomograph HRT dient der quantitativen Analyse des Sehnervenkopfes. Die dreidimensionale Strukturrekonstruktion erfolgt aus einer tiefengeschichteten Serie zweidimensionaler optischer Schnittbilder. Die Papillentopografie wird über topometrische Parameter erfasst, anhand mathematischer Modellrechnungen wird die Abschätzung der Wahrscheinlichkeit eines Glaukomschadens ermittelt. Im klinischen Alltag hat sich aus Praktikabilitätsgründen dieses Bildgebungsverfahren als Goldstandard in der Verlaufskontrolle einer glaukomatösen Papillenschädigung etabliert.

Abstract

Scanning laser tomography using the Heidelberg Retina Tomograph (HRT) aims at a three-dimensional reconstruction of optic disk topography based on two-dimensional optical section images. Topometric parameters describe the optic disk configuration, algorithms calculate the likelihood of already existing glaucomatous tissue alterations. In the follow-up of chronic glaucoma, this imaging technique has become the gold standard for quantitative optic nerve head evaluation.

Schlüsselwörter

Scanning Laser Tomografie - Bildgebung - Glaukom - Papille

Key words

scanning laser tomography - imaging - Glaucoma - optic disk
 

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