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<p>The study goals were measurement of the choroidal thickness (CT) and investigation of related factors among children. Third-grade students at an elementary school in Tokyo participated in this study. A total of 119 schoolchildren underwent measurements of the axial length (AL), non-cycloplegic objective refraction (SE), and CT. The CT was divided into nine regions: the subfoveal area with a diameter of 1&#xa0;mm (C0), a 5-mm-diameter circle-C0 (C1), and a 9-mm-diameter circle (C2); each was further divided into four quadrants. The SE, AL, and C0 CT were, respectively, −&#xa0;1.57 ± 1.56 diopters, 23.39 ± 0.80&#xa0;mm, and 297.73 ± 57.88&#xa0;μm. Multiple regression analysis showed that the time spent using a computer was associated significantly with the CT in the C0 and the inferior C2 (C0: β = -0.728, <i>P</i> = 0.028; inferior C2: β = -0.527, <i>P</i> = 0.048), and the reading distance was associated significantly with the CT in the superior and nasal C2 (superior, β = 1.664, <i>P</i> = 0.007; nasal, β = 1.128, <i>P</i> = 0.015). In addition, time spent using smartphones, tablets, or handheld gaming devices was associated significantly with the CT in the superior and inferior C2 (superior C2: β = 0.259, <i>P</i> = 0.018; inferior C2: β = 0.262, <i>P</i> = 0.013). In conclusion, reading distance and time spent on digital devices may be associated with choroid thickness in children.</p>

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Thicker peripapillary choroid may be associated with behavioral factors in Tokyo’s children

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月22日

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  • Aoba Hashimoto,
  • Erisa Yotsukura,
  • Mamoru Ogawa,
  • Kiwako Mori,
  • Akiko Hanyuda,
  • Kazuo Tsubota,
  • Toshihide Kurihara,
  • Kazuno Negishi,
  • Hidemasa Torii

摘要

The study goals were measurement of the choroidal thickness (CT) and investigation of related factors among children. Third-grade students at an elementary school in Tokyo participated in this study. A total of 119 schoolchildren underwent measurements of the axial length (AL), non-cycloplegic objective refraction (SE), and CT. The CT was divided into nine regions: the subfoveal area with a diameter of 1 mm (C0), a 5-mm-diameter circle-C0 (C1), and a 9-mm-diameter circle (C2); each was further divided into four quadrants. The SE, AL, and C0 CT were, respectively, − 1.57 ± 1.56 diopters, 23.39 ± 0.80 mm, and 297.73 ± 57.88 μm. Multiple regression analysis showed that the time spent using a computer was associated significantly with the CT in the C0 and the inferior C2 (C0: β = -0.728, P = 0.028; inferior C2: β = -0.527, P = 0.048), and the reading distance was associated significantly with the CT in the superior and nasal C2 (superior, β = 1.664, P = 0.007; nasal, β = 1.128, P = 0.015). In addition, time spent using smartphones, tablets, or handheld gaming devices was associated significantly with the CT in the superior and inferior C2 (superior C2: β = 0.259, P = 0.018; inferior C2: β = 0.262, P = 0.013). In conclusion, reading distance and time spent on digital devices may be associated with choroid thickness in children.