September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Relationship between lifestyle and axial length in Japanese elementary school students
Author Affiliations & Notes
  • Kazuki Fujiwara
    Kagoshima University, Kagoshima, Japan
  • Takehiro Yamashita
    Kagoshima University, Kagoshima, Japan
  • Naoya Yoshihara
    Kagoshima University, Kagoshima, Japan
  • Taiji Sakamoto
    Kagoshima University, Kagoshima, Japan
  • Footnotes
    Commercial Relationships   Kazuki Fujiwara, None; Takehiro Yamashita, None; Naoya Yoshihara, None; Taiji Sakamoto, None
  • Footnotes
    Support  JSPS KAKENHI grant number 26462643
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 6240. doi:
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      Kazuki Fujiwara, Takehiro Yamashita, Naoya Yoshihara, Taiji Sakamoto; Relationship between lifestyle and axial length in Japanese elementary school students. Invest. Ophthalmol. Vis. Sci. 2016;57(12):6240.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : To investigate the relationship between lifestyle and axial length in Japanese elementary school students’ eyes.

Methods : Prospective cross-sectional observational study of 122 right eyes in healthy Japanese young 61 male and 61 female (age 8 or 9 years). Axial length were measured with OA-2000 (TOMEY, Japan). Questionnaires about the children's daily lifestyles (indoors studying, television viewing, screen time on a computer/smart phone, outdoor activities, bedtime, dietary habits (Japanese or Western style)), parental myopia were completed. The relationship between the axial length and lifestyle or family members' myopia were investigated Spearman’s correlation analysis.

Results : The mean axial length was 23.1 ± 0.9 mm. The indoor studying, television viewing, outdoor activities, bedtime were not correlated with axial length. The screen time (R=0.24, p=0.008), Westernization of dietary habits (R=0.24, p=0.01) and parental myopia (R=0.39, p<0.001) were significantly correlated with axial length.

Conclusions : In Japanese elementary school students, long screen time, Westernization of dietary habits and parental myopia were associated with longer axial length.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

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