HARMONIZED DATA
Label: | s3dsight |
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Description: | s3dsight:w3 s self-rated distance eyesight |
Item type: | Constructed variable |
Answer type: | Enumerated |
Answer choices: | 1.excellent ; 2.very good ; 3.good ; 4.fair ; 5.poor ; 6.blind ; .d:DK ; .m:Missing ; .u:not coupled ; .v:SP NR |