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1
This serial cross-sectional analysis included 71,941 U.S. adults surveyed in the 2022–2024 National Health Interview Survey.
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2
Overall, 13,987 participants (18.5%) reported difficulty seeing, even when wearing glasses or contact lenses.
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3
After adjustment for demographic and socioeconomic factors, visual difficulty was associated with lower odds of voting (OR, 0.87; 95% CI, 0.83–0.92).
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4
Adjusted odds of public meeting attendance and volunteering did not differ significantly by reported visual difficulty.
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5
The survey did not assess voting method, national election participation, or the cause and severity of visual difficulty.
