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High-Frequency Ultrasound Biomicroscopy versus Ultrasound and Optical Pachymetry for the Measurement of Corneal Thickness

High-Frequency Ultrasound Biomicroscopy versus Ultrasound and Optical Pachymetry for the... The aim of this study was to correlate central corneal thickness measurements obtained using optical as well as ultrasound pachymeters and high-frequency ultrasound biomicroscopy (UBM), assuming UBM as reference. Each measurement was performed on 32 patients (60 eyes) by three observers unaware of the other''s results, on 3 different days. Pearson correlation was used. A strong correlation was found between UBM and ultrasound pachymetry measurements (r=0.858), a weaker one between UBM and optical pachymetry (r=0.506). Optical versus ultrasound measurements were poorly correlated (r=0.540). Each correlation was statistically significant (p<0.001). UBM can be used as an accurate and reproducible method for determining corneal thickness. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ophthalmologica Karger

High-Frequency Ultrasound Biomicroscopy versus Ultrasound and Optical Pachymetry for the Measurement of Corneal Thickness

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Publisher
Karger
Copyright
© 1998 S. Karger AG, Basel
ISSN
0030-3755
eISSN
1423-0267
DOI
10.1159/000055408
Publisher site
See Article on Publisher Site

Abstract

The aim of this study was to correlate central corneal thickness measurements obtained using optical as well as ultrasound pachymeters and high-frequency ultrasound biomicroscopy (UBM), assuming UBM as reference. Each measurement was performed on 32 patients (60 eyes) by three observers unaware of the other''s results, on 3 different days. Pearson correlation was used. A strong correlation was found between UBM and ultrasound pachymetry measurements (r=0.858), a weaker one between UBM and optical pachymetry (r=0.506). Optical versus ultrasound measurements were poorly correlated (r=0.540). Each correlation was statistically significant (p<0.001). UBM can be used as an accurate and reproducible method for determining corneal thickness.

Journal

Ophthalmologica – Karger

Published: Jul 1, 1998

Keywords: Ultrasound biomicroscopy; Optical pachymetry; Ultrasound pachymetry

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