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Longitudinal association between sleep features and refractive errors in preschoolers from the EDEN birth-cohort

Abstract : Refractive errors are common, especially in children and adolescents, leading to global health issues, academic implications and economic costs. Circadian rhythm and sleep habits may play a role. The study included 1130 children from the EDEN birth-cohort. Data were collected through parental questionnaires at age 2 and 5 for sleep duration and timing, and at age 5 for refractive error. At 5 years, 20.4% were prescribed glasses (2% for myopia, 11.9% for hyperopia and 6.8% for unknown reason). Children slept on average (SD) 11h05/night (± 30 min) and 10h49/night (± 48 min) at age 2 and 5, respectively. Average bedtime and midsleep was 8.36 pm (± 30 min), 2.06 am (± 36 min), and 8.54 pm (± 30 min), 2.06 am (± 24 min) at age 2 and 5, respectively. A U-shaped association was observed between sleep duration at age 2 and eyeglass prescription at age 5. Later midsleep and bedtime at age 2 were associated with an increased risk of eyeglass prescription at age 5. Associations became borderline significant after adjustment for confounding factors. Sleep duration and timing at age 2 were associated with subsequent refractive errors in preschoolers from general population. Sleep hygiene might be a target for refractive errors prevention.
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https://hal-univ-paris.archives-ouvertes.fr/hal-03238953
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Submitted on : Thursday, May 27, 2021 - 12:00:52 PM
Last modification on : Wednesday, August 25, 2021 - 4:23:18 PM
Long-term archiving on: : Saturday, August 28, 2021 - 6:53:38 PM

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Alexis Rayapoullé, Claude Gronfier, Anne Forhan, Barbara Heude, Marie-Aline Charles, et al.. Longitudinal association between sleep features and refractive errors in preschoolers from the EDEN birth-cohort. Scientific Reports, Nature Publishing Group, 2021, 11 (1), pp.9044. ⟨10.1038/s41598-021-88756-w⟩. ⟨hal-03238953⟩

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