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KMID : 1191420120110010071
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Korean Journal of Optometry and Vision Science
2012 Volume.11 No. 1 p.71 ~ p.77
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Comparison of Clinical Features in Children with Hyperopia
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Lim Ji-Won
Choi Jung-Hoon
Na Kyeong-Ik
Lee Joo-Yeon
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Abstract
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Purpose: To evaluate the clinical features in children with hyperopia according to age difference.
Methods: Clinical datas from 296 visits in 144 patients with hyperopia were obtained retrospectively. We divided the datas into four groups; 4 years, 6 years, 9 years and 12 years. The degree of hyperopia, the prevalence of anisometropia and amblyopia, the prevalence and type of strabismus and stereopsis were analyzed.
Results: In the degree of hyperopia and the prevalence of strabismus there were no differences between the four groups. The proportion of accommodative esotropia that was the most common type of strabismus decreased and the proportion of exotropia and microtropia increased in older groups (p=0.047). The prevalence of amblyopia and poor stereopsis fell in older groups (p=0.016, p=0.001). The prevalence of strabismus amblyopia is associated with the prevalence of amblyopia in the groups of 4 and 6 years (p=0.03). The type of strabismus showed borderline or significant association with the prevalence of amblyopia and poor stereoacuity (p=0.053, p=0.033) in the groups of 9 and 12 years, but the prevalence of strabismus didn’t. The proportion of accommodative esotropia was lower and that of exotropia and microtropia was higher in patients with amblyopia (p=0.053) or poor stereoacuity (p=0.001) than in the rest of patients.
Conclusions: Mean degree of hyperopia in older children was not different from younger children under 8 years old. Amid improvement of the ambryopia and streoacuity, persistent amblyopia and poor stereoacuity tended to be associated with exotropia and microtropia (monofixation syndrome) in older children.
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KEYWORD
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Amblyopia, Child, Hyperopia, Strabismus
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