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Title: Repeatability of IOLMaster biometry in children
Authors: Carkeet, A.
Saw, S.-M. 
Gazzard, G.
Tang, W.
Tan, D.T.H.
Keywords: Children
Refractive error
Ultrasound biometry
Issue Date: Nov-2004
Citation: Carkeet, A., Saw, S.-M., Gazzard, G., Tang, W., Tan, D.T.H. (2004-11). Repeatability of IOLMaster biometry in children. Optometry and Vision Science 81 (11) : 829-834. ScholarBank@NUS Repository.
Abstract: Aims. This study compares the repeatability of IOLMaster (Zeiss, Oberkochen, Germany) axial dimension measurements and conventional ultrasonography in children. Methods. A series of IOLMaster (partial coherence interferometry, optical pachometry) and Echoscan (US 800, Nidek, Tokyo, Japan) (ultrasound) measurements were taken on 179 Chinese children (mean age, 10.6 ± 0.8 years) taking part in a longitudinal study of myopia development, and the measurements were repeated on 37 of these subjects. Results. IOLMaster axial length measurements showed better repeatability (95% limits of agreement for repeatability, -0.047 to 0.038 mm) than Echoscan axial length measurements (95% limits of agreement for repeatability, -0.85 to 0.67 mm). IOLMaster anterior chamber depth measurements also showed better repeatability (95% limits of agreement for repeatability, -0.053 to 0.073 mm) than Echoscan anterior chamber depth measurements (95% limits of agreement for repeatability, -0.57 to 0.49 mm). IOLMaster measurements were, on average, slightly larger than Echoscan measurements for axial length (by 0.14 mm) and anterior chamber depth (0.09 mm). Conclusion. Partial coherence interferometry techniques, such as that used by IOLMaster, should be considered as the standard technique for axial length measurement in children because they are noninvasive, highly precise, and easy to use.
Source Title: Optometry and Vision Science
ISSN: 10405488
DOI: 10.1097/01.OPX.0000145020.33250.C0
Appears in Collections:Staff Publications

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