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Change in ocular refraction after tropicamide cycloplegia in preschool children.

AbstractPURPOSE:
The aim of the study was to evaluate changes in ocular refraction after 1% tropicamide and its efficacy in diagnosing refractive errors in preschool children.
MATERIAL AND METHODS:
116 children (232 eyes) at the age of 5 to 6 years participated in the study. An objective examination of refraction using autorefractor before and after 1% tropicamide cycloplegia (2 x 1 drop of the agent instilled 5 min apart) was performed in the study.
RESULTS:
After the instillation of tropicamide, the spherical component of the refractive error significantly increased by +0.78 D, while the cylindrical component (i.e. its power and axis) remained unaltered. In examining the refractive error, the mean value of the spherical component in children at the age of 5 to 6 years amounted to +1.55 D, in the cylindrical component mean value was -0.51 D, and the axis was 102 degrees.
CONCLUSIONS:
1% Tropicamide appears an effective cycloplegic agent in preschool children, excluding children with high hyperopia, anisometropia, or strabismus.
AuthorsPaweł Nawrot, Anna Przekoracka-Krawczyk, Katarzyna Perz, Patrycja Rusiak, Ryszard Naskrecki
JournalKlinika oczna (Klin Oczna) Vol. 114 Issue 4 Pg. 278-81 ( 2012) ISSN: 0023-2157 [Print] Poland
PMID23461155 (Publication Type: Comparative Study, Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Mydriatics
  • Tropicamide
Topics
  • Accommodation, Ocular (drug effects)
  • Child
  • Child, Preschool
  • Female
  • Humans
  • Male
  • Mydriatics (administration & dosage, pharmacology)
  • Refraction, Ocular (drug effects)
  • Refractive Errors (diagnosis)
  • Reproducibility of Results
  • Tropicamide (pharmacology)
  • Visual Acuity (drug effects)

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