Prevalence of high astigmatism, eyeglass wear, and poor visual acuity among native American grade school children
Prevalence of high astigmatism, eyeglass wear, and poor visual acuity among native American grade school children
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DOI：
10.1097/01.opx.0000214333.84822.71
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发表时间：
2006-04-01
影响因子：
1.4
通讯作者：
Miller, JM
中科院分区：
文献类型：
--
作者：
Harvey, EM;Dobson, V;Miller, JM
目的.本研究的目的是检查散光和视力差的患病率和磨损率的小学儿童谁是美国土著部落的成员，据报道，有大量的散光患病率高。对Tohono O 'odham保留地上学的1 327名一至八年级儿童进行了视力筛查。使用Nikon Retinomax K+自动验光仪对每个儿童的右眼和左眼进行非睫状肌麻痹自动验光，并使用ETDRS最小分辨角对数（logMAR）字母表测试单眼识别视力。Tohono O 'odham儿童高度散光的患病率较高（42%的右眼或左眼散光>= 1.00 D），散光轴一致。然而，只有一小部分儿童在视力筛查时戴眼镜，视力差的患病率（20/40或更差）很高（35%）。散光量与裸眼视力之间存在显著相关性，散光度每增加一个屈光度，视力就会额外下降1 logMAR线。Tohono O 'odham儿童中普遍存在未矫正散光和视力差。研究结果强调了提高戴眼镜依从性、确定接受眼部护理的障碍以及启动有关Tohono O 'odham儿童早期识别和矫正散光重要性的公共教育计划的重要性。
Purpose. The purpose of this study was to examine the prevalence of astigmatism and poor visual acuity and rate of eyeglass wear in grade school children who are members of a Native American tribe reported to have a high prevalence of large amounts of astigmatism.Methods. Vision screening was conducted on 1,327 first through eighth grade children attending school on the Tohono O'odham Reservation. Noncycloplegic autorefraction was conducted on the right and left eye of each child using the Nikon Retinomax K+ autorefractor, and monocular recognition acuity was tested using ETDRS logarithm of the minimum angle of resolution (logMAR) letter charts.Results. Tohono O'odham children had a high prevalence of high astigmatism (42% had >= 1.00 D in the right or left eye) and the axis of astigmatism was uniformly with-the-rule. However, only a small percentage of children arrived at the vision screening wearing glasses, and the prevalence of poor visual acuity (20/40 or worse in either eye) was high (35%). There was a significant relation between amount of astigmatism and uncorrected visual acuity with each additional diopter of astigmatism resulting in an additional 1 logMAR line reduction in visual acuity.Conclusions. Uncorrected astigmatism and poor visual acuity are prevalent among Tohono O'odham children. The results highlight the importance of improving glasses-wearing compliance, determining barriers to receiving eye care, and initiating public education programs regarding the importance of early identification and correction of astigmatism in Tohono O'odham children.