Pérez-Iñigo MA, González I, Mayoral F, Ferrer C, Honrubia FM. [Comparative study of refractive errors in simple congenital myogenic ptosis and control children].
Arch Soc Esp Oftalmol 2008;
83:601-6. [PMID:
18855280 DOI:
10.4321/s0365-66912008001000007]
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Abstract
PURPOSE
To study refractive errors in children with relatively serious congenital myogenic ptosis and to carry out a comparative study in relation to control children in our population.
METHODS
We included 35 children with simple congenital myogenic ptosis, 27 of them had minor ptosis, 3 moderate ptosis and 5 serious ptosis. Thirty-five children were also in the control group. One eye of every subject was included, the worst eye in subjects of the ptosis group and an eye selected at random in control group subjects. A comparative study of refractive data in every group was carried out, using the Student's t-test, ANOVA and Chi square or Yates correction tests.
RESULTS
We obtained significant differences between children with ptosis and controls in average spherical equivalent (3.08/1.49), in average absolute sphere (2.80/1.42) and in average absolute cylinder (0.81/0.31) (p<0.05). We also observed a relation between the presence of astigmatism and the seriousness of ptosis (chi2=6.88>5.99), and between the need for optical correction and the presence of ptosis (chi2=15.92>3.84).
CONCLUSIONS
Children with simple congenital myogenic ptosis in our enviroment have greater refractive errors than control children. Ptosis children require optical correction more frequently than control. The more serious the ptosis, the more likelihood there is of having astigmatism.
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