BLINDNESS AND VISUAL IMPAIRMENT IN AN AMERICAN URBAN-POPULATION - THE BALTIMORE EYE SURVEY
BLINDNESS AND VISUAL IMPAIRMENT IN AN AMERICAN URBAN-POPULATION - THE BALTIMORE EYE SURVEY
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DOI：
10.1001/archopht.1990.01070040138048
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发表时间：
1990-02-01
影响因子：
--
通讯作者：
ROYALL, RM
中科院分区：
文献类型：
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作者：
TIELSCH, JM;SOMMER, A;ROYALL, RM
关于美国多种族城市人口失明和视力障碍患病率的数据目前尚不清楚。巴尔的摩眼科调查旨在解决信息缺乏的问题，并提供过去未得到充分研究的年龄种族亚组患病率的估计。来自马里兰州巴尔的摩东部的 5300 名黑人和白人接受了眼科筛查检查，其中包括详细的视力测量。无论定义如何，黑人的失明和视力障碍患病率平均是白人的两倍。所有视力丧失定义的发生率都随着年龄的增长而急剧上升，但不同性别的患病率没有差异。超过 50% 的受试者在屈光矫正后改善了视力，其中 7.5% 改善了 3 行或更多行。巴尔的摩的发病率与之前研究报告的一样高或更高。国家预测表明，超过 300 万人患有视力障碍，其中 89 万人按照美国的定义为双眼失明。
Data on the prevalence of blindness and visual impairment in multiracial urban populations of the Unite States are not readily available. The Baltimore Eye Survey was designed to address this lack of information and provide estimates of prevalence in age-race subgroups that had not been well studied in the past. A population-based sample of 5300 blacks and whites from east Baltimore, Md, received an ophthalmologic screening examination that included detailed visuaal acuity measurements. Blacks had, on average, a twofold excess prevalence of blindness and visual impairment than whites, irrespective of definition. Rates rose dramatically with age for all definitions of vision loss, but there was no difference in prevalence by sex. More than 50% of subjects improved their presenting vision after refractive correction, with 7.5% improving three or more lines. Rates in Baltimore are as high or higher than those reported from previous studies. National projections indicate that greater than 3 million persons are visually impaired, 890,000 of whom are bilaterally blind by US definitions.