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Related Experiment Videos

The relationship between convergence insufficiency and school achievement.

J E Létourneau, N Lapierre, A Lamont

    American Journal of Optometry and Physiological Optics
    |January 1, 1979
    PubMed
    Summary

    Many schoolchildren exhibit convergence insufficiency, a vision issue affecting near tasks. This study found no link between this condition and academic performance in subjects like mother tongue or overall grade point average.

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    Area of Science:

    • Ophthalmology
    • Pediatric Optometry
    • Developmental Vision

    Background:

    • Convergence insufficiency is a common binocular vision disorder affecting the ability to turn eyes inward for near tasks.
    • Prevalence and impact on academic performance in school-aged children require further investigation.

    Purpose of the Study:

    • To determine the prevalence of convergence insufficiency in schoolchildren aged 7-14.
    • To analyze the relationship between convergence insufficiency and academic performance.

    Main Methods:

    • Objective and subjective measurements of near point of convergence and recovery point.
    • Analysis of 735 schoolchildren aged 7-14.
    • Correlation with age, sex, IQ, mother tongue, and grade point average.

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    Main Results:

    • 9% of children had an objective near point of convergence >10 cm; 10% had a subjective near point of convergence >10 cm.
    • 9% had an objective recovery point >15 cm; 12% had a subjective recovery point >15 cm.
    • No significant differences in academic performance were found between children with and without convergence insufficiency.

    Conclusions:

    • Convergence insufficiency is present in a notable percentage of schoolchildren.
    • The study did not find a correlation between convergence insufficiency and academic outcomes in this cohort.