HARMONIZED DATA
| Label: | r6ncatrct |
|---|---|
| Description: | r6ncatrct:w6 r number eyes cataract surg this wave |
| Item type: | Constructed variable |
| Answer type: | Enumerated |
| Answer choices: | 1.one eye only ; 2.both eyes ; .a:not asked-age ; .b:both eyes in prev wave ; .d:DK ; .m:Missing ; .x:no cataract surgery |