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Intraocular pressure associations with refractive error and axial length in children

A J Lee1, S-M Saw, G Gazzard

  • 1Department of Community, Occupational and Family Medicine, National University of Singapore, 16 Medical Drive, Singapore 117597, Republic of Singapore.

The British Journal of Ophthalmology
|December 25, 2003
PubMed

Insights

Intraocular pressure (IOP) in children shows no significant link to refractive error or axial length. This study challenges the idea that IOP plays a role in myopia development.

Area of Science:

  • Ophthalmology
  • Pediatric Ophthalmology
  • Myopia Research

Background:

  • Intraocular pressure (IOP) is a key factor in glaucoma, but its role in refractive development is less understood.
  • Myopia is a growing public health concern, and understanding its pathogenesis is crucial.

Purpose of the Study:

  • To investigate the association between intraocular pressure (IOP) and refractive error in children.
  • To determine if axial length is correlated with IOP in pediatric populations.

Main Methods:

  • The study analyzed data from 636 Chinese children aged 9-11 years.
  • Measurements included non-contact tonometry, cycloplegic autorefraction, and A-scan biometry.
  • Refractive error was categorized into hypermetropia, emmetropia, low myopia, and high myopia.

Main Results:

  • No significant differences in mean IOP were found between refractive error groups.
  • Intraocular pressure (IOP) did not correlate with spherical equivalent refraction or axial length.
  • Regression analyses, adjusted for blood pressure, confirmed no significant association between IOP and refractive error or axial length.

Conclusions:

  • The findings do not support a link between IOP and refractive error or axial length in children.
  • This challenges the hypothesized role of IOP in the development of myopia.
Abstract

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