TUESDAY, Dec. 28 (HealthDay News) -- Alcohol consumption by individuals with type 2 diabetes is associated with an increased risk for deterioration of visual acuity but not diabetic retinopathy, according to a study in the October issue of Diabetic Medicine.
Chee-Tin C. Lee, of the Institute of Metabolic Science in Cambridge, U.K., and colleagues analyzed a cohort of 1,239 older (aged 55 to 81 years) persons with type 2 diabetes who had participated in a sub-study of the Action in Diabetes and Vascular Disease: Preterax and Diamicron MR Controlled Evaluation (ADVANCE) trial. The researchers analyzed the association of self-reported wine, spirits, and beer consumption with the incidence of diabetic retinopathy and deterioration of visual acuity.
In a mean 5.5-years of follow-up, the researchers identified 182 participants with a two-step progression in the Early Treatment of Diabetic Retinopathy Study score, 640 with retinal vascular lesions, and 693 with visual acuity deterioration. Compared with no current alcohol consumption, current moderate consumption (defined as one to 14 drinks per week) was not associated with diabetic retinopathy or its progression; however, it was associated with higher risk of visual acuity deterioration (odds ratio, 1.83.)
"Alcohol consumption is associated with increased risk of deterioration of visual acuity, but not with retinopathy in individuals with type 2 diabetes," the authors write.
Several study authors disclosed financial ties to Servier, a co-sponsor of the ADVANCE Trial.
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