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        | Download Data Files — Codebook |  
 
        
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            | MEPS HC-139 |  
            | PANEL 14 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 19, 2017 |  
 
          
            | Variable Name: | VISION2 |  
            | Description: | VISION IMPAIRMENT (SUMMARY) - RD 2 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 1179 |  
            | End: | 1180 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |             15 |        362,320 |  
            | -1 INAPPLICABLE |            370 |      7,512,942 |  
            | 1 NO DIFFICULTY |         15,021 |    288,426,767 |  
            | 2 SOME DIFFICULTY |            625 |     12,314,191 |  
            | 3 IMPAIRED NEAR, BUT NOT FAR |            146 |      2,829,041 |  
            | 4 IMPAIRED BOTH NEAR AND FAR |             16 |        232,330 |  
            | 5 BLIND |             28 |        464,119 |  
            | TOTAL |         16,221 |    312,141,711 |  
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