September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Sex-related differences in axial length, anterior chamber depth and lens thickness in elementary school students
Author Affiliations & Notes
  • Takehiro Yamashita
    Kagoshima University, Kagoshima-Shi, Kagoshima, Japan
  • Naoya Yoshihara
    Kagoshima University, Kagoshima-Shi, Kagoshima, Japan
  • Taiji Sakamoto
    Kagoshima University, Kagoshima-Shi, Kagoshima, Japan
  • Footnotes
    Commercial Relationships   Takehiro Yamashita, None; Naoya Yoshihara, None; Taiji Sakamoto, None
  • Footnotes
    Support  JSPS KAKENHI grant number 26462643
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 6239. doi:
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      Takehiro Yamashita, Naoya Yoshihara, Taiji Sakamoto; Sex-related differences in axial length, anterior chamber depth and lens thickness in elementary school students. Invest. Ophthalmol. Vis. Sci. 2016;57(12):6239.

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

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Abstract

Purpose : To investigate the sex-related differences and the association in axial length, anterior chamber depth and lens thickness in elementary school students’ eyes.

Methods : Prospective cross-sectional observational study of 108 right eyes in healthy Japanese young 54 boys and 54 girls (age 8 or 9 years). Axial length, anterior chamber depth and lens thickness were measured with OA-2000 (TOMEY, Japan). The sex-related differences and the association in axial length, anterior chamber depth and lens thickness were investigated using Welch’s t-test and linear regression analysis.

Results : The axial length was significantly longer in boys (23.71 ± 0.81 mm) than in girls (23.17 ± 0.92 mm) (p=0.001). The anterior chamber depth was significantly shallower in girls (3.53 ± 0.25 mm) than in boys (3.71 ± 0.22 mm) (p=0.001). There was no significantly difference in lens thickness between boys (3.53 ± 0.81 mm) and girls (3.56 ± 0.19 mm) (p=0.63). The anterior camber depth (R=0.63, 0,56, p<0.001) and lens thickness (R=-0.54, -0.59, p<0.001) were significantly associated with axial length in boys and girls.

Conclusions : In elementary school students, there was significantly difference in axial length and anterior chamber depth between boys and girls. The anterior chamber depth was significantly positively associated with axial length and the lens thickness was significantly negatively associated with axial length in boys and girls.

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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