J Korean Ophthalmol Soc.  2023 Nov;64(11):1063-1070. 10.3341/jkos.2023.64.11.1063.

Changes in the Ocular Biometric Measurements of Korean Children with Myopia and Hyperopia

  • 1Department of Ophthalmology and Visual Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea


To document changes in the optical coherence biometry data over 1 year of Korean children aged 6 to 9 years with myopia and hyperopia.
We used fluorescein angiography to retrospectively study changes in refractive errors over 1 year in 60 children who visited our hospital between December 2019 and June 2022. The IOL master 700 platform was used to derive axial length, corneal curvature (the K value), central corneal thickness, anterior chamber depth, lens thickness, and the white-to-white size at 1-year intervals. The Mann-Whitney and Wilcoxon signed-ranked tests were used to compare the values. A p-value < 0.05 was taken to indicate a significant difference.
The mean ages of hyperopic and myopic children were 6.27 ± 0.87 and 6.93 ± 0.87 years at initial presentation. Significant 1-year changes in axial length, anterior depth, and lens thickness were apparent. The mean corneal curvature, and central corneal and lens thicknesses were significantly higher in hyperopic than myopic children but the axial length and anterior chamber depth were significantly greater in myopic children. However, after 1 year, the lens thicknesses did not significantly differ between the two groups.
Over 1 year of early life, changes in the mean corneal curvature and lens thickness were significant in hyperopic children and changes in the axial length and anterior depth were significant in myopic children. Thus, the eye growth pattern may differ between hyperopic and myopic children.


Axial length, Biometry, Cornea, Hyperopia, Myopia
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