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目的 探讨 2～ 4岁健康幼儿的视力发育状况和LEA SCREENER图形视力表对检查中国幼儿视力的适用情况。方法 用LEA SCREENER图形视力表测定 1 73例保育院幼儿视力 ,并对有关因素进行统计分析。结果 双眼平均近视力为 0 58,远视力 0 4 8;右眼近视力 0 53,远视力 0 4 5;左眼近视力 0 52 ,远视力 0 4 4。男女幼儿的双眼远、近视力无显著性差异。不同月龄幼儿的平均视力均随月龄增加而增长。对其中 4 9名幼儿在 6个月后行第 2次检查 ,平均视力有不同程度升高。结论 LEA SCREENER图形视力表是一种方便、快捷和准确的幼儿视力检查方法。幼儿视力随月龄增长而增长
Objective To investigate the visual development of healthy children aged 2 ~ 4 years and the application of LEA SCREENER chart to check the visual acuity of Chinese children. Methods LEA SCREENER chart visual acuity chart was used to measure the visual acuity of 1 73 cases of nursery school children, and the related factors were statistically analyzed. Results The average myopia of both eyes was 0 58, the distance vision was 0 48, the right eye was 533, the distance vision was 0 45, the left eye was 0 52 and the distance vision was 0 4 4. Men and women children’s eyes far, no significant difference in near vision. The average visual acuity of children of different ages increased with the increase of age. Among them, 49 children underwent the second examination after 6 months, with an increase in mean visual acuity. Conclusions The LEA SCREENER pictorial eye chart is a convenient, fast and accurate method of visual acuity in young children. Children’s vision increases with age