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Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
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Myopia and later physical activity in adolescence: a prospective study
1Department of Social Medicine, University of Bristol, Bristol, UK.
British Journal of Sports Medicine
|July 8, 2009
Summary
Children with myopia, or nearsightedness, tend to have lower levels of physical activity (PA) compared to their peers. This study found that myopic children engaged in less moderate to vigorous activity and more sedentary behavior, suggesting a link between vision and activity levels.
Area of Science:
- Ophthalmology
- Pediatrics
- Public Health
Background:
- Myopia is a growing global health concern, particularly in children.
- Understanding lifestyle factors associated with myopia is crucial for prevention and management.
Purpose of the Study:
- To investigate the association between objectively measured physical activity (PA) and myopia in children.
- To determine if children with myopia exhibit different levels of physical activity and sedentary behavior.
Main Methods:
- Utilized data from the Avon Longitudinal Study of Parents and Children (ALSPAC).
- Objectively measured physical activity using uniaxial accelerometers worn for 7 days at age 12.
- Assessed myopia using autorefraction at age 10, collecting social and parental data.
Main Results:
- A cohort of 4880 children had valid physical activity and autorefraction data.
- Myopic children showed significantly lower counts per minute (cpm) and minutes of moderate to vigorous physical activity (MVPA).
- Myopic children spent more time in sedentary behavior, though this association was attenuated after adjusting for confounders.
Conclusions:
- Myopic children may be at higher risk for lower levels of physical activity compared to non-myopic children.
- The observed differences in physical activity, while statistically significant, were modest in magnitude.
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