Age and gender specific prevalence of trichiasis and trichiasis vision status.
收藏数据链接：
官方服务：
资源简介：
TT, trachomatous trichiasis.*TT prevalence smoothed by fitting logistic regression curve to estimated TT prevalence.**Vision status: Normal vision = presenting visual acuity of ≥6/18 in the better eye; Low vision = presenting visual acuity of
创建时间：
2015-12-02
