Disordered Sleep and Myopia Risk among Chinese Children

  • The purpose of this study was to examine the correlation between disordered sleep and myopia among Chinese children.

  • 1970 children were selected for investigation and refraction was conducted in 1961 (99.5%).

  • 1912 (97.1%) children had questionnaires returned by their parents and 1902 (96.5%) among whom had complete examination and questionnaire data.

  • Myopia < = -0.50 Diopters was present in both eyes of 588 (30.9%) children (1329/3804 = 34.9% of eyes) examined.

  • 1129 children (59.4%) had abnormal CSHQ scores (> 41).

  • The correlation between sleep duration and myopia was not significant (p = 0.199) for total (night + midday) sleep.

  • No consistent evidence found through the study that demonstrate the association between sleeping period and myopia.

This article was identified as a reference for a VII-commissioned systematic review on the Impact of URE on Children.

Publication date

December 7, 2016


Zhou, Z., Morgan, I.G., Chen, Q., Jin, L., He, M. and Congdon, N.
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