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RESEARCH STUDY

RESEARCH

Distribution of Refractive Errors Among School Children in Abia State of Nigeria

AUTHOR:

OC Uhuama, UC Atowa

SPONSOR/INSTITUTION:

Department of Optometry, Abia State University

YEAR PUBLISHED:

2004

PUBLICATION:

Journal of the Nigerian Optometric Association

KEY HIGHLIGHTS:

  • Visual screening in pre-school and school children has long been a tradition in developed nations of the world.

  • The significance of this cannot be overemphasized especially with the already established correlation between school performance and visual status.

  • This study, which was carried out in Abia State of Nigeria made use of 2,525 school children aged 7 to 17yrs.

  • The result showed prevalence rate of 31.05% for myopia, 19.13% for hyperopia and 7.80% for astigmatism.

  • The frequency of the distribution of myopia was found to show a linear progression with age while that of hyperopia was found to be on the decrease within the same age range.

  • On further analysis, an average percentage difference of 2.14% was observed in the distribution of refractive errors in urban and rural school children.