Varma Rohit, Tarczy-Hornoch Kristina, Jiang Xuejuan
Roski Eye Institute, Department of Ophthalmology, Keck School of Medicine, University of Southern California, Los Angeles2Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles.
Department of Ophthalmology, University of Washington, Seattle4Seattle Children's Hospital, Seattle, Washington.
JAMA Ophthalmol. 2017 Jun 1;135(6):610-616. doi: 10.1001/jamaophthalmol.2017.1021.
Visual impairment (VI) in early childhood can significantly impair development.
To determine demographic and geographic variations in VI in children aged 3 to 5 years in the United States in 2015 and to estimate projected prevalence through 2060.
DESIGN, SETTING, AND PARTICIPANTS: Descriptive study reporting statistics estimated based on prevalence data from 2 major population-based studies conducted in the United States between 2003 and 2011. Using US census projections, prevalence of VI and cause-specific VI in the better eye were reported by race/ethnicity, state and region, and per capita prevalence of VI by state. The study included preschool children in the United States. Analyses for this study were conducted between February 2016 and March 2017.
Prevalence of VI among children aged 3 to 5 years in the United States.
In 2015, more than 174 000 children aged 3 to 5 years in the United States were visually impaired. Almost 121 000 of these cases (69%) arose from simple uncorrected refractive error, and 43 000 (25%) from bilateral amblyopia. By 2060, the number of children aged 3 to 5 years with VI is projected to increase by 26%. In 2015, Hispanic white children accounted for the highest number of VI cases (66 000); this group will remain the most affected through 2060, with an increasingly large proportion of cases (37.7% in 2015 and 43.6% in 2060). The racial/ethnic group with the second most VI is projected to shift from non-Hispanic white children (26.3% in 2015 decreasing to 16.5% in 2060) to African American children (24.5% in 2015 and 22.0% in 2060). From 2015 to 2060, the states projected to have the most children with VI are California (26 600 in 2015 and 38 000 in 2060), Texas (21 500 in 2015 and 29 100 in 2060), and Florida (10 900 in 2015 and 13 900 in 2060).
These data suggest that the number of preschool children with VI is projected to increase disproportionally, especially among minority populations. Vision screening for refractive error and related eye diseases may prevent a high proportion of preschool children from experiencing unnecessary VI and associated developmental delays.
幼儿期视力障碍(VI)会显著损害发育。
确定2015年美国3至5岁儿童视力障碍的人口统计学和地理差异,并估计到2060年的预计患病率。
设计、设置和参与者:描述性研究,报告基于2003年至2011年在美国进行的两项主要基于人群的研究的患病率数据估计的统计数据。使用美国人口普查预测,按种族/族裔、州和地区报告较好眼睛的视力障碍患病率及特定病因的视力障碍患病率,按州报告视力障碍的人均患病率。该研究纳入了美国学龄前儿童。本研究的分析于2016年2月至2017年3月进行。
美国3至5岁儿童的视力障碍患病率。
2015年,美国超过17.4万名3至5岁儿童存在视力障碍。其中近12.1万例(69%)由单纯未矫正屈光不正引起,4.3万例(25%)由双侧弱视引起。到2060年,预计3至5岁视力障碍儿童数量将增加26%。2015年,西班牙裔白人儿童的视力障碍病例数最多(6.6万例);到2060年,该群体仍将受影响最严重,病例比例越来越大(2015年为37.7%,2060年为43.6%)。预计视力障碍第二多的种族/族裔群体将从非西班牙裔白人儿童(2015年为26.3%,2060年降至16.5%)转变为非裔美国儿童(2015年为24.5%,2060年为22.0%)。从2015年到2060年,预计视力障碍儿童最多的州是加利福尼亚州(2015年为2.66万例,2060年为3.8万例)、得克萨斯州(2015年为2.15万例,2060年为2.91万例)和佛罗里达州(2015年为1.09万例,2060年为1.39万例)。
这些数据表明,预计学龄前视力障碍儿童数量将不成比例地增加,尤其是在少数族裔人群中。对屈光不正和相关眼病进行视力筛查可能会使很大比例的学龄前儿童避免不必要的视力障碍及相关发育迟缓。