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Repeatability of IOLMaster biometry in children

Carkeet, Andrew D., Saw, Seang-Mei , Gazzard, Gus , Tang, Wilfred , & Tan, Donald (2004) Repeatability of IOLMaster biometry in children. Optometry And Vision Science, 81(11), pp. 829-834.

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.

Impact and interest:

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ID Code: 11863
Item Type: Journal Article
Additional Information: Self-archiving of the author-version is not yet supported by this publisher. The contents of this journal can be freely accessed online via the journal's web page (see hypertext link) 12 months after publication.
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Keywords: IOLMaster, ultrasound biometry, refractive error, children
ISSN: 1040-5488
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Optical Technology (111302)
Divisions: Current > Research Centres > Centre for Health Research
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2004 Lippincott Williams & Wilkins
Deposited On: 14 Jan 2008
Last Modified: 11 Aug 2011 03:46

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