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        | Download Data Files — Codebook |  
 
        
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            | MEPS HC-156 |  
            | PANEL 16 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 19, 2017 |  
 
          
            | Variable Name: | VISION2 |  
            | Description: | VISION IMPAIRMENT (SUMMARY) - RD 2 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 1165 |  
            | End: | 1166 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              7 |         93,046 |  
            | -1 INAPPLICABLE |            421 |      7,205,546 |  
            | 1 NO DIFFICULTY |         17,262 |    293,787,777 |  
            | 2 SOME DIFFICULTY |            630 |     12,252,491 |  
            | 3 IMPAIRED NEAR, BUT NOT FAR |            133 |      2,397,270 |  
            | 4 IMPAIRED BOTH NEAR AND FAR |             22 |        354,728 |  
            | 5 BLIND |             37 |        690,919 |  
            | TOTAL |         18,512 |    316,781,778 |  
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