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        | Download Data Files — Codebook |  
 
        
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            | MEPS HC-80 |  
            | PANEL 7 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 27, 2017 |  
 
          
            | Variable Name: | VISION2 |  
            | Description: | VISION IMPAIRMENT (SUMMARY) - RD 2 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 3665 |  
            | End: | 3666 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              5 |         82,571 |  
            | -1 INAPPLICABLE |            437 |      7,400,125 |  
            | 1 NO DIFFICULTY |         14,882 |    270,667,242 |  
            | 2 SOME DIFFICULTY |            618 |     11,834,854 |  
            | 3 IMPAIRED NEAR, BUT NOT FAR |            150 |      2,308,514 |  
            | 4 IMPAIRED BOTH NEAR AND FAR |             22 |        437,099 |  
            | 5 BLIND |             65 |      1,441,033 |  
            | TOTAL |         16,179 |    294,171,437 |  
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