Vision Difficulty (Census Tracts)
收藏数据链接：
官方服务：
资源简介：
This map illustrates the estimated percent of respondents who, when asked if they were blind or had serious difficulty seeing even when wearing glasses, responded yes. These data are census tract level indicators (estimates) taken from the 2013-2017 American Community Survey.
创建时间：
2016-05-02
