从马来西亚视角比较利氏符号视力表与谢里登·加德纳视力表在学龄前儿童视力筛查中的应用
Comparison of Lea Symbols chart and Sheridan Gardiner chart in assessing vision screening among pre-school children: a Malaysia perspective.
作者信息
Omar Rokiah, Hussin Duratul Ain, Knight Victor Feizal
机构信息
Optometry & Visual Science Program, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
出版信息
J Med Assoc Thai. 2012 Mar;95(3):412-7.
OBJECTIVE
Compare the performance of Lea Symbols and Sheridan Gardiner charts against the standard test chart used to determine reduced VA during vision screening among pre-schoolers.
MATERIAL AND METHOD
Seven hundred seventy five pre-school participated where 389 subjects were boys and 386 subjects were girls were tested using the Lea Symbols chart and the Sheridan Gardiner chart. The mean age of the pre-school children was 5.3 +/- 0.7 years old.
RESULTS
The Lea Symbols chart showed a higher sensitivity (97.5%) compared to the Sheridan Gardiner chart (57.1%). While the Sheridan Gardiner chart showed higher specificity (92.0%) compared to the Lea Symbols chart (45.0%).
CONCLUSION
The Lea Symbols chart offers a better pick-up rate of visual impairment during a vision-screening program especially cases of amblyopia among pre-school children compared to the Sheridan Gardiner chart in Malaysia.
目的
比较利雅符号视力表和谢里丹·加德纳视力表与用于确定学龄前儿童视力筛查期间视力下降情况的标准测试视力表的性能。
材料与方法
775名学龄前儿童参与测试，其中389名是男孩，386名是女孩，使用利雅符号视力表和谢里丹·加德纳视力表进行测试。学龄前儿童的平均年龄为5.3±0.7岁。
结果
与谢里丹·加德纳视力表（57.1%）相比，利雅符号视力表显示出更高的灵敏度（97.5%）。而与利雅符号视力表（45.0%）相比，谢里丹·加德纳视力表显示出更高的特异性（92.0%）。
结论
在马来西亚，与谢里丹·加德纳视力表相比，在视力筛查项目中，利雅符号视力表对视力损害，尤其是学龄前儿童弱视病例的检出率更高。
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