gms | German Medical Science

102. Jahrestagung der DOG

Deutsche Ophthalmologische Gesellschaft e. V.

23. bis 26.09.2004, Berlin

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Comparison of corneal thickness measurements using optical low coherence reflectometry (OLCR) and Orbscan II

Meeting Abstract

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  • corresponding author M. P. Holzer - Heidelberg Research Group Intraocular Lenses and Refractive Surgery, Department of Ophthalmology, University of Heidelberg, Heidelberg
  • I. J. Limberger - Heidelberg Research Group Intraocular Lenses and Refractive Surgery, Department of Ophthalmology, University of Heidelberg, Heidelberg
  • B. B. Entz - Heidelberg Research Group Intraocular Lenses and Refractive Surgery, Department of Ophthalmology, University of Heidelberg, Heidelberg
  • A. J. Reuland - Heidelberg Research Group Intraocular Lenses and Refractive Surgery, Department of Ophthalmology, University of Heidelberg, Heidelberg
  • T. M. Rabsilber - Heidelberg Research Group Intraocular Lenses and Refractive Surgery, Department of Ophthalmology, University of Heidelberg, Heidelberg
  • G. U. Auffarth - Heidelberg Research Group Intraocular Lenses and Refractive Surgery, Department of Ophthalmology, University of Heidelberg, Heidelberg

Evidenzbasierte Medizin - Anspruch und Wirklichkeit. 102. Jahrestagung der Deutschen Ophthalmologischen Gesellschaft. Berlin, 23.-26.09.2004. Düsseldorf, Köln: German Medical Science; 2004. Doc04dogP 036

Die elektronische Version dieses Artikels ist vollständig und ist verfügbar unter: http://www.egms.de/de/meetings/dog2004/04dog527.shtml

Veröffentlicht: 22. September 2004

© 2004 Holzer et al.
Dieser Artikel ist ein Open Access-Artikel und steht unter den Creative Commons Lizenzbedingungen (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.de). Er darf vervielfältigt, verbreitet und öffentlich zugänglich gemacht werden, vorausgesetzt dass Autor und Quelle genannt werden.

Gliederung

Text

Objective

Exact corneal thickness measurements are necessary for uneventful excimer laser treatments and intraocular pressure evaluation following corneal refractive surgery. Different methods to evaluate corneal thickness are available.

Methods

At the Department of Ophthalmology, University of Heidelberg, Germany, pachymetry measurements of 99 eyes were performed using the Haag-Streit optical low coherence reflectometry (OLCR) technology and the Bausch & Lomb Orbscan II slit beam technology.

Results

Mean age of the patients was 57.9±20.9years. Mean central corneal thickness differences between both systems were 32.5±18.9 μm (range: -16.1 - 89.7μm). In the majority of cases, measurements with the Orbscan II were slightly higher than those with the Haag-Streit OLCR.

Conclusions

Corneal thickness measurements using different technologies can lead to significant deviation of pachymetry values. Refractive surgeons need to know specific trends of the different systems available on the market in order to perform uneventful excimer laser treatments and achieve good functional results and patient satisfaction.