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Ever told have cataracts

Codes and Frequencies

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CATARACTEV identifies sample adults whom a doctor or other health professional ever diagnosed as having cataracts. Please see the Comparability and Universe tabs for information on how the universe changes over time for this variable.


There are differences in the universe between the 1976, 1989, and 1991-forward samples. Please consult the universe tab for more information on these differences.


  • 1976: All persons.
  • 1989: Persons age 18+ who have ever been told by a doctor they had diabetes other than during pregnancy.
  • 1991: Sample persons age 18+.
  • 2002; 2008; 2016 2017: Sample adults age 18+.


  • 1976, 1989, 1991, 2002, 2008, 2016-2017