Amblyopia in astigmatic preschool children

Velma Dobson, Joseph M. Miller, Erin M. Harvey, Kathleen M. Mohan

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

Best-corrected acuity was measured for vertical and horizontal gratings and for recognition acuity optotypes (Lea Symbols) in a group of three- to five-year-old children with a high prevalence of astigmatism. Results showed meridional amblyopia (MA) among children with simple/compound myopic or mixed astigmatism, due to reduced acuity for horizontal gratings. Children with simple/compound hyperopic astigmatism showed no MA, but did show reduced acuity for both grating orientations. Reduced best-corrected recognition acuity was shown by both myopic/mixed and hyperopic astigmats. These results suggest that optical correction of astigmatism should be provided prior to age three to five years, to prevent development of amblyopia.

Original languageEnglish (US)
Pages (from-to)1081-1090
Number of pages10
JournalVision Research
Volume43
Issue number9
DOIs
StatePublished - Apr 2003

Keywords

  • Astigmatism
  • Children
  • Meridional amblyopia
  • Refractive amblyopia

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

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