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[Convergence insufficiency and school difficulties (author's transl)].

M Kurz, G Bauer, M E de Graaf

    Klinische Monatsblatter Fur Augenheilkunde
    |November 1, 1975
    PubMed
    Summary

    Ophthalmological treatment for low-grade hypermetropia with convergence issues in young pupils yielded limited success in overall improvement but significantly reduced asthenopic symptoms. Early eye exams are crucial for detecting visual defects in elementary school children.

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    Area of Science:

    • Ophthalmology
    • Pediatric Optometry
    • Educational Psychology

    Background:

    • Low-grade hypermetropia in young children (6-9 years) can present with exophoria for near vision and convergence weakness.
    • These visual issues are often associated with significant school difficulties across various subjects.
    • Existing treatments have shown variable success rates, necessitating further investigation into effective interventions.

    Purpose of the Study:

    • To evaluate the effectiveness of ophthalmological interventions for low-grade hypermetropic pupils experiencing convergence insufficiency and academic challenges.
    • To assess the impact of treatment on both subjective asthenopic complaints and objective learning outcomes.
    • To determine the necessity of early and accurate eye examinations in elementary school settings.

    Main Methods:

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    • A cohort of 124 low-grade hypermetropic pupils (aged 6-9) with normal IQ and exophoria underwent treatment.
    • Interventions included vision therapy (physiological diplopia and convergence training) and surgical correction (medial rectus resection) if conservative methods failed.
    • Treatment outcomes were assessed by ophthalmologists and a school psychological service using subjective reports, reading/writing tests, and comparison with 50 control subjects.

    Main Results:

    • Overall satisfactory results were achieved in only 19% of treated pupils.
    • Subjective asthenopic symptoms resolved in 65% of cases within weeks.
    • Objective improvements were observed in concentration (77%), motivation (62%), reading capacity (44%), and writing capacity (42%) within 6 weeks to 4 months, compared to controls.

    Conclusions:

    • While ophthalmological treatments showed limited overall success for convergence issues, they effectively alleviated asthenopic symptoms.
    • Significant improvements in academic performance indicators suggest a link between visual function and learning.
    • Emphasizes the importance of comprehensive eye examinations in elementary schools to detect and manage even minor visual defects early.