Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
From the 2008 National Health Interview Survey:
Do you use any vision rehabilitation services, such as job training, counseling, or training in daily living skills and mobility?
[NUMERATOR AND DENOMINATOR:]
Do you have any trouble seeing, even when wearing glasses or contact lenses?
Persons who respond "yes" having trouble seeing and use any vision rehabilitation service meet the criteria for this objective.
This Indicator uses Age-Adjustment Groups:
Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.
In 2012, the original baseline was revised from 30.1 to 30.2 per 1,000 due to data source methodology changes in sample adult weights. The target was adjusted from 33.1 to 33.2 per 1,000 to reflect the revised baseline using the original target-setting method.
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