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Related Experiment Video

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Inducement and Evaluation of a Murine Model of Experimental Myopia
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Inverse relationship between sleep duration and myopia.

Donghyun Jee1,2, Ian G Morgan3, Eun Chul Kim4

  • 1Department of Ophthalmology and Visual Science, College of Medicine, Catholic University of Korea, Suwon, Korea.

Acta Ophthalmologica
|June 3, 2015
PubMed
Summary
This summary is machine-generated.

Adolescents who sleep more may have a lower risk of developing myopia. This population-based study found an inverse relationship between sleep duration and myopia prevalence in Korean teenagers.

Keywords:
Koreahigh myopiamyopiasleep

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Area of Science:

  • Ophthalmology
  • Epidemiology
  • Public Health

Background:

  • Myopia prevalence is increasing globally, particularly among adolescents.
  • Understanding modifiable risk factors like sleep duration is crucial for myopia prevention strategies.

Purpose of the Study:

  • To investigate the association between sleep duration and myopia in Korean adolescents.
  • To determine if longer sleep duration correlates with a reduced risk of myopia.

Main Methods:

  • A population-based, cross-sectional study of 3625 adolescents (aged 12-19) from the Korean National Health and Nutrition Examination Survey (2008-2012).
  • Data collected included ophthalmic examinations, sleep duration, education, physical activity, and economic status.
  • Myopia defined as refractive error ≤-0.50 diopters (D); high myopia as ≤-6.0 D.

Main Results:

  • Overall myopia prevalence was 77.8%; high myopia was 9.4%. Average sleep duration was 7.1 hr/day.
  • Each 1-hour increase in sleep was associated with a 0.10 D decrease in refractive error (adjusted OR, 0.90).
  • Adolescents sleeping >9 hours had significantly lower odds of myopia compared to those sleeping <5 hours (adjusted OR, 0.59). High myopia showed no significant association with sleep duration.

Conclusions:

  • This study provides population-based evidence for an inverse relationship between sleep duration and myopia in Korean adolescents.
  • Longer sleep duration may be a protective factor against myopia development in this age group.