Astigmatism in Children with Epiblepharon.

Sohn, Sae Woon; Woo, Kyung In; Chang, Hae Ran

Original Article

Journal of the Korean Ophthalmological Society 2002;43(10):1827-1832.
Published online October 1, 2002.

Astigmatism in Children with Epiblepharon.

Sae Woon Sohn, Kyung In Woo, Hae Ran Chang

Deparment of Ophthalmolmogy, Sungkunkwan University School of medicine Kangbuk Samsung Hospital Seoul, Korea.ortho@samsung.co.kr

소아 부안검에서 난시의 양상

손세운 ( Sae Woon Sohn ) , 우경인 ( Kyung In Woo ) , 장혜란 ( Hae Ran Chang )

Abstract

PURPOSE
To compare the prevalance and the amount of astigmatism between the epiblepharon patients who had been operated epiblepharon and normal school children. METHODS: The noncycloplegic refraction using autorefractor was performed in 120 epiblepharon patients from Jan. 1997 to June 2000. Astigmatism in excess of 0.5 D was studied. We compared the findings of epiblephron patients and 443 normal school children in Seoul. RESULTS: The prevalence of astigmatism was 72.9% in epiblephron group and 41.6% in normal children group, and the difference was statistically significant (P< 0.001). The amount of astigmatism was 1.52 D and 0.73 D in each group, and the difference was statistically significant (P< 0.001).The distribution of astigmatism showed 1.0 D or less in 22.5%, from above 1.0 D to 2.0 D or less in 26.3%, from above 2.0 D to 3.0 D or less in 10.8%, from above 3.0 D to 4.0 D or less in 9.6% and above 4.0 D in 3.8% in epiblepharon group and in normal children group 26.2%, 11.2%, 2.6%, 1.0%, and 0.7% respectively. The difference between both groups was statistically significant (P< 0.001). With-the-rule astigmaism was found in 77.9% and against-the-rule was 22.1% in epiblephron group and 72.8% and 27.2% respectively in normal children group. CONCLUSIONS: The prevalence and the amount of astigmatism were higher in epiblepharon group than in normal children group. It might be caused by the increase of orbicularis muscle tone and the effect of skin fold overriding lid margin in epiblepharon patients.

Key Words: Astigmatism;Epiblepharon