HARMONIZED DATA
| Label: | s1uprsbyp |
|---|---|
| Description: | s1uprsbyp:w1 s uncorrected presbyopia |
| Item type: | Constructed variable |
| Answer type: | Enumerated |
| Answer choices: | 0.no ; 1.yes ; .d:DK ; .m:Missing ; .r:Refuse ; .s:Not in physical measure ; .u:Unmar ; .v:SP NR |