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Comparison of Central Corneal Thickness and Anterior Chamber Depth Measured Using Three Different Devices

Sehjin Han,H. Hwang,Min Chul Shin,K. Han

Published 2015 in Journal of The Korean Ophthalmological Society

ABSTRACT

Purpose: To compare measurements of central corneal thickness (CCT) and anterior chamber depth (ACD) obtained using GalileiTM, Pentacam (Oculus, Wetzlar, Germany) and Lenstar (Haag-Streit, Koeniz, Switzerland) and analyze the measurement agreements. Methods: CCT and ACD were measured using GalileiTM, Pentacam and Lenstar in 47 eyes of 25 healthy subjects. The measurements were compared among the 3 devices. Results: The average CCT measurements using GalileiTM, Pentacam and Lenstar were 552.6 ± 29.41 μm, 543.9 ± 30.50 μm and 537.5 ± 30.26 μm, respectively. The measurements significantly correlated with each other (r > 0.9, p 0.9, p < 0.001), but were statistically significantly different (p = 0.034). The CCT 95% limits of agreement (LoA) between GalileiTM and Pentacam, Pentacam and Lenstar and Lenstar and GalileiTM were 31.95 μm, 44.76 μm and 46.57 μm, respectively and 95% ACD LoA were 0.46 mm, 0.32 mm and 0.28 mm, respectively. Conclusions: CCT and ACD measured using the 3 devices were highly correlated with each other but the measurements were statistically different. Therefore, the measurements were not interchangeable and these differences should be considered in clinical use. J Korean Ophthalmol Soc 2015;56(5):694-701

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