What to know

Summary
A data story from the National Center for Health Statistics
Authors: Maria A. Villarroel, PhD, and Debra L. Blackwell, PhD
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In 2018, 14.9% of adults aged 18 years or older had some difficulty seeing even when wearing glasses, and 1.6% had a lot of difficulty or could not see at all.
The percentage of adults who had some difficulty seeing even when wearing glasses decreased as income increased, from 19.3% among those with income below the poverty threshold to 11.3% among those with income more than 400% of the poverty threshold.
The percentage of adults who had a lot of difficulty or could not see at all also decreased as income increased, from 4.2% among those with income below the poverty threshold to 0.8% among those with income more than 400% of the poverty threshold.
https://www.cdc.gov/mmwr/volumes/69/wr/mm6918a4.htm
Source: National Center for Health Statistics, National Health Interview Survey, 2018. https://www.cdc.gov/nchs/nhis.