Efficiency and measurements agreement between swept-source OCT and low-coherence interferometry biometry systems

Efficiency and measurements agreement between swept-source OCT and low-coherence interferometry... Purpose To compare and evaluate the agreement between the measurements obtained with a swept-source optical coherence tomography (OCT)-based biometer, the IOLMaster® 700 (IOLM), and those obtained by an optical biometer based on optical low-coherence interferometry (OLCI), the Aladdin (ALD); To evaluate the ability to perform biometric measurements in those eyes with transparency alterations. Methods Fifty-five eyes of 55 subjects were included in this study. Axial length (AL), corneal power (K, in diopters) and its astigmatism, anterior chamber depth (ACD), central corneal thickness (CCT), and lens thickness (LT) measures were obtained within both biometers, Zeiss IOLMaster 700 and Topcon Aladdin. Results were analyzed and compared using the Student’s paired samples t-test, Bland–Altman analysis and intraclass correlation coefficient (ICC). Results Mean age was 73.12 ± 2.63 (62–89 years). The IOLM mean AL, K, and LT values did not show a statistically significant difference from ALD values and showed excellent agreement and correlation (ICC = 1.000, 0.970, 0.952). IOLM measured a lower mean ACD (−0.036 mm) and higher CCT measurements (9.296 μm). Those results were statistically different (p <0.001 in both cases) but showed an excellent correlation coefficients (ICC = 0.994, 0.938). IOLM was able to obtain measures from all the eyes http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Graefe's Archive for Clinical and Experimental Ophthalmology Springer Journals

Efficiency and measurements agreement between swept-source OCT and low-coherence interferometry biometry systems

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Medicine & Public Health; Ophthalmology
ISSN
0721-832X
eISSN
1435-702X
D.O.I.
10.1007/s00417-018-3909-9
Publisher site
See Article on Publisher Site

Abstract

Purpose To compare and evaluate the agreement between the measurements obtained with a swept-source optical coherence tomography (OCT)-based biometer, the IOLMaster® 700 (IOLM), and those obtained by an optical biometer based on optical low-coherence interferometry (OLCI), the Aladdin (ALD); To evaluate the ability to perform biometric measurements in those eyes with transparency alterations. Methods Fifty-five eyes of 55 subjects were included in this study. Axial length (AL), corneal power (K, in diopters) and its astigmatism, anterior chamber depth (ACD), central corneal thickness (CCT), and lens thickness (LT) measures were obtained within both biometers, Zeiss IOLMaster 700 and Topcon Aladdin. Results were analyzed and compared using the Student’s paired samples t-test, Bland–Altman analysis and intraclass correlation coefficient (ICC). Results Mean age was 73.12 ± 2.63 (62–89 years). The IOLM mean AL, K, and LT values did not show a statistically significant difference from ALD values and showed excellent agreement and correlation (ICC = 1.000, 0.970, 0.952). IOLM measured a lower mean ACD (−0.036 mm) and higher CCT measurements (9.296 μm). Those results were statistically different (p <0.001 in both cases) but showed an excellent correlation coefficients (ICC = 0.994, 0.938). IOLM was able to obtain measures from all the eyes

Journal

Graefe's Archive for Clinical and Experimental OphthalmologySpringer Journals

Published: Feb 1, 2018

References

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