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Posterior corneal elevation, irregular astigmatism affect vision in childhood glaucoma
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An increase in posterior corneal elevation and irregular astigmatism may contribute to visual disability in patients with childhood glaucoma, according to a study.
The cross-sectional, observational study examined 58 eyes of patients with childhood glaucoma age 5 years or older and 28 eyes of age-matched controls.
Mean posterior elevation in eyes with childhood glaucoma controlled with medication or surgery was 0.043 ± 0.027 mm and 0.042 ± 0.017 mm, respectively, significantly higher than 0.018 ± 0.058 mm in control eyes (P < .0001).
Corneal astigmatism was higher in eyes with childhood glaucoma at 2.09 ± 1.40 D compared with control eyes at 0.93 ± 0.60 D (P = .0001).
“[Posterior corneal elevation and irregular astigmatism], together with glaucomatous optic neuropathy, may contribute significantly to the visual dysfunction and amblyopia commonly seen in such patients. Thus, besides IOP control, a good refraction and correction of astigmatism, along with amblyopia management, should be mandatory components of childhood glaucoma management,” the study authors said. – by Kristie L. Kahl
Disclosure: The authors report no relevant financial disclosures.
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