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Differences in Objective Physical Activity Between Children With Visual Impairment and Those With Normal Sight.

Srijana Adhikari1,2,3, Fleur van Rens4, Ruth M A van Nispen2,3

  • 1Tilganga Institute of Ophthalmology, Gaushala, Kathmandu, Nepal.

Translational Vision Science & Technology
|July 25, 2024
PubMed
Summary

Children with visual impairment (VI) engage in less vigorous physical activity (PA) than their sighted peers, particularly during school hours. Promoting tailored, more intense PA programs for VI children is crucial.

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Area of Science:

  • Pediatrics
  • Ophthalmology
  • Sports Science

Background:

  • Objective physical activity (PA) levels in children with visual impairment (VI) are not well-characterized.
  • Understanding PA differences is vital for developing targeted interventions.

Purpose of the Study:

  • To compare objective PA levels between children with VI and their normal-sighted peers.
  • To identify differences in sedentary, light, moderate, and vigorous PA across different times of day.

Main Methods:

  • 100 children with VI and 100 controls (7-17 years) wore ActiGraphs for 1 week.
  • Generalized linear mixed-effects models analyzed PA outcomes (mean counts/min, time in PA intensities).
  • Models accounted for vision status, age, sex, and time of day.

Main Results:

  • 83 children with VI and 77 controls were analyzed.
  • Children with VI had lower overall PA (mean counts/min) (P < 0.001).
  • VI children were more sedentary during school but less sedentary before school and on weekends; they engaged in less moderate and vigorous PA.

Conclusions:

  • Children with VI perform less vigorous PA than sighted peers, especially during school.
  • Current PA levels in children with VI highlight a need for enhanced, school-based programs.