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Changes in ocular axial length in elementary schoolchildren Takafumi Mori 1 , Chika Nishido 1 , Ami Watanabe 1 , Mika Suzuki 1 , Koki Kakinuma 1 , Chihiro Sato 1 , Ayaka Kasai 1 , Tetsuju Sekiryu 1 1Department of Ophthalmology, Fukushima Medical University pp.1197-1201
Published Date 2019/9/15
DOI https://doi.org/10.11477/mf.1410213265
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Abstract Purpose:To report changes in the length of ocular axis in elementary schoolchildren.

Cases and Method:This study was made on two groups. The first group comprised 52 eyes of 26 children who just entered the elementary school at the age of 6 years. The axial length was measured once a year up to the fourth grade. The second group comprised 62 eyes of 31 children in the fourth grade. The axial length was measured once a year up to the sixth grade. An optical biometer, IOLMaster®, was used in the measurement.

Results:In the first group, the ocular axial length averaged 22.48±0.77 mm in the first grade, 22.89±0.80 mm in the second, 23.14±0.96 mm in the third, and 23.40±1.09 mm in the fourth. In the second group, the ocular axial length averaged 23.51±1.11 mm in the fourth grade, 23.74±1.20 mm in the fifth grade, and 23.94±1.24 mm in the sixth grade. In both groups, yearly changes in axial length slowed down and the variation became larger with advance in age.

Conclusion:In elementary schoolchildren between 6 and 11 in age, elongation in ocular axis slowed down and the variation became greater with advance in age.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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