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Related Experiment Video

Updated: Apr 14, 2026

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System
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Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

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A new computer-based pediatric vision-screening test.

Tomohiko Yamada1, Sarah R Hatt1, David A Leske1

  • 1Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota.

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
|April 21, 2015
PubMed
Summary
This summary is machine-generated.

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At-home visual acuity in children using a custom iPhone application compared with standardized in-office visual acuity testing.

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The Jaeb Visual Acuity Screener (JVAS) effectively screens children aged 3-7 for vision problems. This free, computerized tool offers high accuracy, aiding in early detection and standardized vision care.

Area of Science:

  • Ophthalmology
  • Pediatric Medicine
  • Medical Technology

Background:

  • Developed and validated the Jaeb Visual Acuity Screener (JVAS), a free, computerized vision screening program for children.
  • JVAS utilizes a rapid, age-specific, standardized algorithm for vision screening in medical settings.

Purpose of the Study:

  • To evaluate the effectiveness of the JVAS in screening children aged 3 to <8 years for reduced visual acuity, amblyopia, and amblyopia risk factors.
  • To determine the sensitivity and specificity of the JVAS compared to a gold standard eye examination.

Main Methods:

  • 175 children aged 3 to <8 years were screened using JVAS prior to a comprehensive eye exam.
  • JVAS presented age-specific optotypes; failure criteria included inability to identify 3 of 4, 3 of 5, or 4 of 5 presentations.

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  • Sensitivity, specificity, and predictive values were calculated based on established referral criteria and visual acuity norms.

    • Main Results:

    • JVAS demonstrated 100% testability in the screened population.
    • Sensitivity ranged from 88% to 91%, and specificity ranged from 73% to 86%.
    • Positive predictive value was 66%–79%, and negative predictive value was 92%–93%.

    Conclusions:

    • JVAS is an effective and practical tool for screening children aged 3-7 years on any Windows computer.
    • Offering JVAS free of charge can standardize vision screening practices, which are currently fragmented.
    • The screener aids in early detection of visual impairments in pediatric populations.