视力恢复国际组织（VOSH）在尼加拉瓜执行任务期间屈光不正的患病率。
Prevalence of refractive errors on a VOSH mission to Nicaragua.
作者信息
Wingert T A
机构信息
University of Missouri-St. Louis, School of Optometry 63121-4499.
出版信息
J Am Optom Assoc. 1994 Feb;65(2):129-32.
BACKGROUND
Optometric services in many parts of the world are unavailable with a resultant lack of information on the epidemiology of visual problems in those countries as well.
METHODS
A retrospective analysis was conducted on the records of 3,281 patients seen on a VOSH mission to Nicaragua.
RESULTS
The mean spherical correction for each eye was a low hyperopic correction. For eyes having an astigmatism the mean cylinder correction was -1.00 and was usually oriented against the rule.
CONCLUSION
There was a lower incidence of myopia in this population than for many others that have been studied. There was also a need for a presbyopic correction at an earlier age than for Mid-European populations. A very large number of spectacles must be donated in order to get a sufficient supply for a successful VOSH mission.
背景
世界上许多地区无法提供验光服务，因此这些国家也缺乏有关视力问题流行病学的信息。
方法
对在一次视力恢复志愿者组织（VOSH）前往尼加拉瓜的任务中诊治的3281例患者的记录进行回顾性分析。
结果
每只眼睛的平均球镜矫正为低度远视矫正。对于有散光的眼睛，平均柱镜矫正为-1.00，且通常为逆规散光。
结论
该人群近视发病率低于许多其他已研究的人群。与中欧人群相比，该人群也需要在更早的年龄进行老花矫正。为了使视力恢复志愿者组织的任务成功获得足够的眼镜供应，必须捐赠大量眼镜。
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