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Diabetic retinopathy is one of the most common complications of diabetes, but other eye problems can occur as well, including cataracts and glaucoma, according to the study by researchers at the U.S. Centers for Disease Control and Prevention.

Some 11 percent of U.S. adults with diabetes have some form of visual impairment, 3.8 percent uncorrectable and 7.2 percent correctable. Almost 6 percent of those without diabetes have some form of visual impairment, 1.4 percent uncorrectable and 4.5 percent correctable, the study found.

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The National Eye Institute has more on AMD.

SOURCES: Robert Cykiert, M.D., associate professor, ophthalmology, New York University Langone Medical Center, New York City; Julie Belkin, M.D., ophthalmologist, University Hospitals Case Medical Center, Cleveland; Astrid Fletcher, Ph.D., department of epidemiology and population health, London School of Hygiene & Tropical Medicine; David M. Kleinman, M.D., assistant professor, ophthalmology, University of Rochester Eye Institute, Rochester, N.Y.; October 2008 Archives of Ophthalmology