title: Keratometry in Thai children from newborn to the age of ten: a retrospective study.
abstract: OBJECTIVE
  To study the corneal curvature in Thai children, from newborn to ten years.
  
  
  METHODS
  The authors reviewed keratometric reading of Thai children obtained from January 1st, 2003 to December 31st, 2005. Data was analyzed in stratified pattern based on their age groups.
  
  
  RESULTS
  360 eyes from 183 patients were enrolled. The keratometric reading (K) was ranged between 43-44 diopters, there was no statistically significant difference among mean K in all age groups (ANOVA, RE p = 0.612, LE p = 0.608). There was no correlation between absolute corneal astigmatism of each age group and age (Pearson correlation, RE r = -0.20, p = 0.006, LE r = -0.11, p = 0.11). The most common corneal astigmatism was with the rule type in all age groups.
  
  
  CONCLUSIONS
  The keratometric reading was consistent in all age groups in the range between 43-44 diopters. There was no correlation of absolute corneal astigmatism and increasing age. With the rule astigmatism was the most common corneal astigmatism.
authors.affiliation: Department of Ophthalmology, Chulalongkorn University, Bangkok 10330, Thailand.
authors.forename: Siripash
authors.initials: S
authors.lastname: Ubolsing
authors.forename: Anyanee
authors.initials: A
authors.lastname: Charoensri
mesh_terms: D000704:Analysis of Variance; D002648:Child; D002675:Child, Preschool; D019781:Corneal Topography; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012016:Reference Values; D012189:Retrospective Studies; D013785:Thailand