Lee, AJ; Saw, SM; Gazzard, G; Cheng, A; Tan, DTH; (2004) Intraocular pressure associations with refractive error and axial length in children. BRIT J OPHTHALMOL , 88 (1) 5 - 7.
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Aim: To assess whether intraocular pressure (IOP) is associated with refractive error or axial length in children.Methods: Of subjects from the Singapore Cohort Study of the Risk Factors for Myopia (SCORM), 636 Chinese children aged 9 - 11 years from two elementary schools underwent non-contact tonometry, cycloplegic autorefraction, and A-scan biometry during 2001. For analyses, refractive error was categorised into four groups; hypermetropia ( spherical equivalent refraction ( SE) greater than or equal to+ 1.0D), emmetropia (-0.5D <SE<+ 1.0D), low myopia (-3.0D<SE&LE; -0.5D) and high myopia (SE&LE; -3.0D).Results: Of the 636 children examined, 50.6% were male. The mean IOP was 16.6 (SD 2.7) mm Hg. There were no significant IOP differences between low ( mean IOP = 16.4 (2.8) mm Hg) or high myopes (16.7 (2.5) mm Hg) and emmetropes (16.7 (2.9) mm Hg), p = 0.57. IOP was not correlated with spherical equivalent refraction ( Spearman correlation, r = 0.009) or axial length ( r = 0.030). In regression analyses adjusting for diastolic blood pressure, neither spherical equivalent ( regression coefficient = 0.014) nor axial length ( regression coefficient = 0.027) were significantly associated with IOP.Conclusion: These findings do not support an association between IOP and refractive error or axial length in children. This questions postulated roles of IOP in the pathogenesis of myopia.
|Title:||Intraocular pressure associations with refractive error and axial length in children|
|Keywords:||MYOPIA PROGRESSION, CHINESE CHILDREN, GLAUCOMA, POPULATION, APPLANATION, SAMPLE, ONSET, RISK, EYE|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Ophthalmology|
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