Carkeet, A; Saw, SM; Gazzard, G; Tang, W; Tan, DTH; (2004) Repeatability of IOLMaster biometry in children. OPTOMETRY VISION SCI , 81 (11) 829 - 834.
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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.
|Title:||Repeatability of IOLMaster biometry in children|
|Keywords:||IOLMaster, ultrasound biometry, refractive error, children, ANTERIOR-CHAMBER DEPTH, PARTIAL COHERENCE INTERFEROMETRY, A-SCAN ULTRASONOGRAPHY, ZEISS IOLMASTER, AXIAL LENGTH, ULTRASOUND, AGREEMENT, EYE|
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