Bilberry extract (1987) - diabetic retinopathySee more about diabetic retinopathy treatment and information.
79% of 37 patients with visible diabetic retinal abnormalities improved after taking 160 mg of bilberry extract twice daily, compared to 0% of the placebo control group, and 86% of those with abnormalities of angiography findings showed moderate to considerable improvement. Perossini, et al. Ann Ottalmol Clin Ocul 1987.
This is a small study but supports others with similar results.