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Refractive Errors and Amblyopia in the UCLA Preschool Vision Program; First Year Results.

Karen Hendler1, Shiva Mehravaran1, Xiang Lu2

  • 1Department of Ophthalmology, Stein Eye Institute, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California.

American Journal of Ophthalmology
|September 19, 2016
PubMed
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Preschool vision screening using the Retinomax Autorefractor identified many refractive errors and amblyopia cases. Early detection and treatment in children can prevent vision loss and improve academic outcomes.

Area of Science:

  • Ophthalmology
  • Pediatric Optometry
  • Public Health

Background:

  • Vision screening in preschool children is crucial for early detection of sight-threatening conditions.
  • The Retinomax Autorefractor is a tool used for non-invasive refractive error screening in young children.
  • Untreated refractive errors and amblyopia can lead to long-term visual impairment and affect academic performance.

Purpose of the Study:

  • To evaluate the ophthalmic examination outcomes for preschool children in Los Angeles County who failed screening with the Retinomax Autorefractor.
  • To determine the prevalence of refractive errors and amblyopia in this population.
  • To assess the effectiveness of autorefractor screening in identifying vision abnormalities.

Main Methods:

  • A retrospective, cross-sectional study was conducted.

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  • 11,260 preschool children (aged 3-5 years) in Los Angeles County were screened using the Retinomax Autorefractor.
  • 1007 children who failed screening underwent a full ophthalmic examination by an ophthalmologist.

    • Main Results:

    • 74% of examined children received glasses prescriptions.
    • Prevalence of hyperopia was 58%, myopia 21%, and astigmatism ≥1.50 D was 69%.
    • Refractive amblyopia was diagnosed in 9% of examined children (0.8% of the total screened population), with 77% being unilateral.

    Conclusions:

    • Retinomax Autorefractor screening effectively identifies preschool children with uncorrected refractive errors and amblyopia.
    • Early diagnosis and treatment of these conditions can prevent amblyopia and enhance quality of life and academic achievement.
    • Vision screening programs are vital for early intervention in pediatric eye care.