The prevalence of ocular structural disorders and nystagmus among preschool-aged children

Michael X. Repka, David S. Friedman, Joanne Katz, Josephine Ibironke, Lydia Giordano, James M. Tielsch

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Purpose: To describe the prevalence of structural disorders of the eye and nystagmus in preschool-aged children. Methods: Population-based evaluation of children 6 months through 71 months of age in Baltimore, Maryland, United States. Results: Among 4,132 children identified from 54 census tracts, 3,990 eligible children (97%) were enrolled and 2,546 children (62%) were examined. Structural disorders were found in 41 children and nystagmus in 9 children for an overall prevalence of 1.96% (95% CI, 1.46%-2.59%). Only 11 (0.43%; 95% CI, 0.22%-0.77%) had vision loss in at least one eye, most often due to posterior segment disease. Conclusions: Structural ocular abnormalities and nystagmus combined are present in nearly 2% of preschool-aged children in this population-based study. Vision loss due to these abnormalities is uncommon.

Original languageEnglish (US)
Pages (from-to)182-184
Number of pages3
JournalJournal of AAPOS
Issue number2
StatePublished - Apr 2012

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Ophthalmology


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