HARMONIZED DATA
Label: | s1dstvi |
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Description: | s1dstvi:w1 s distance visual impairment in better eye |
Item type: | Constructed variable |
Answer type: | Enumerated |
Answer choices: | 1.no VI ; 2.mild VI ; 3.moderate VI ; 4.severe VI/blind ; .d:DK ; .m:Missing ; .r:Refuse ; .s:Not in physical measure ; .u:Unmar ; .v:SP NR |