Published in 2014
- The purpose of this study was to identify risk factors for inadequately corrected refractive error in the United States.
- This was a cross-sectional study conducted with 12,758 participants aged 12 years and older.
- The refractive error was present and corrected with refraction in 50% of the participants.
- The correctable refractive error was inadequately corrected in 11.7% of the participants.
- Risk factors linked with inadequate refractive correction in adults but not in teenagers included low annual household income, low education, and lack of health insurance.
- Racial differences in refractive error correction were most obvious in those under 20 years, and in adults with low annual household income, low education, and lack of health insurance.
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