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[Refractive errors, strabismus and amblyopia in pre-school screening--experiences using a vision test in

W Rüssmann1, U König, K Schlimbach

  • 1Klinik und Poliklinik für Augenheikunde, Universität zu Köln.

Das Offentliche Gesundheitswesen
|February 1, 1990
PubMed
Summary

Mass screenings for juvenile vision issues found that standard R5 and stereo tests alone are insufficient for detecting strabismus or refractive errors. Combining specific R5 visual acuity and DeKa Stereo Test criteria improves detection rates in kindergarten screenings.

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Area of Science:

  • Ophthalmology
  • Pediatric Public Health
  • Vision Screening

Context:

  • Mass screenings are crucial for early detection of vision impairments in children.
  • Kindergarten-aged children (254 examined) participated in voluntary, joint public health screenings.
  • Screening included visual acuity (R5 apparatus), stereo tests (Lang, DeKa), cover tests, and retinoscopy.

Purpose:

  • To evaluate the effectiveness of various vision screening tests for detecting strabismus and refractive errors in young children.
  • To determine optimal test combinations for improving sensitivity and positive predictive value in mass screenings.
  • To assess the suitability of the R5 apparatus for kindergarten vision screenings.

Summary:

  • Strabismus or significant refractive errors were identified in 12.7% (26/205) of completely examined children.

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  • Single tests like R5-Visus or stereo tests alone were inadequate for reliable detection.
  • A combination of "R5-Test Visus < 0.7" and "DeKa Stereo Test not fully identified" is recommended for screening, offering 75% sensitivity and 44% positive predictive value.

    • Impact:

    • Identified limitations of current screening methods, highlighting the need for improved diagnostic approaches.
    • Recommends specific test combinations to enhance the accuracy of kindergarten vision screenings.
    • Suggests that phoria and stereo tests within the R5 apparatus are unsuitable for this age group's screening.