This study observed how people who were current smokers, compared with those who never smoked, were at increased risk of incident early age-related macular degeneration (AMD) and for progression of AMD during a 15-year follow-up.

References and Resources
Klein R, Knudtson M, Cruickshanks K, et al. Further Observations on the Association Between Smoking and the Long-term Incidence and Progression of Age-related Macular Degeneration. Arch Ophthalmol. 2008;126(1):115-121.

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