学龄前儿童散光特征分析

The characters of astigmatic eyes in the preschool children

目的探讨学龄前儿童散光的类型、程度及轴向分布情况。方法对3～8岁儿童1980例（2288只眼）行1％阿托品常规散瞳检查，结果进行统计分析。结果散光类型分布：复性远视散光最多占62．15％、混合性散光18．05％、复性近视散光9．31％。散光程度分布：0．50～2．0DC占75．88％、2．25～3．0DC占15．73％、3．25～4．0DC占6．78％、大于4．25DC占8．39％；散光轴向分布：顺规散光占96．24％、逆规散光占2．84％、斜轴散光占0．92％。所有患儿中弱视患者占58．83％。结论复性远视散光是学龄前儿童散光的主要类型，以顺规散光为主。散光与弱视密切相关。

Objective To investigate distribution rules in preschool children, the main type ,degree and axis of astigmatism. Methods 1980 cases （2288 eyes ）of astigmatism whose age were 3-8 years old were given 1% atropine sulfate gutta and statistically analyzed.Results In astigmatic eyes, compound hyperopia astigmatism was the most counting for 62.15%, mixed astigmatism 18.05%, compound myopia astigmatism 9.31%o In the constituent ratio of astigmatic diopter, 0.50DC-1.00DC was 75.83%, 2.25DC-2.00DC 15.73%, 2.25DC-3.00DC 15.73%, 2.25DC-4.0DC 6.78%,〉4.25DC 8.39%. Direct astigmatism is mainly distribution of astigmatism （96.24%）. The ratio of amblyopia was 58.83%. Conclusion The main type of astigmatism at preschool age is compound hyperopia astigmatism. There is an association betweenastigmatism and amblyopia.