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ABSTRACT: Purpose
Childhood blepharoptosis may cause cosmetic and functional problems in children, but there is a paucity of studies about its epidemiology. This study aimed to investigate the prevalence of childhood blepharoptosis and associated risk factors in a representative Korean population.Methods
This cross-sectional nation-wide study analysed the data set acquired from the Korea National Health and Nutrition Examination Survey 2008-2012. A total of 8218 children aged 3-18 years were included. The prevalence of childhood blepharoptosis, defined as a margin reflex distance (MRD) of?ResultsThe mean age of participants was 11.3?±?0.1 years, and 52.8?±?0.6% were boys. The overall prevalence of childhood blepharoptosis in Korea was 8.0% (95% CI, 6.9-9.1%). Boys exhibited a higher prevalence of blepharoptosis than girls at most of ages. Levator function increased with age in the normal general population. The proportion of subjects exhibiting MRD1???4.0?mm also increased significantly with age (p?ConclusionsThe prevalence of childhood blepharoptosis is higher in urban obese boys. The increase of levator function with age should be considered in evaluations of childhood ptosis.
SUBMITTER: Cho BJ
PROVIDER: S-EPMC7608270 | biostudies-literature | 2020 Sep
REPOSITORIES: biostudies-literature