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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
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