In this double-blind, randomized trial, which lasted for 2 years, the authors investigated the efficacy of calcium dobesilate on diabetic retinopathy. 68 patients (51 on the active substance, 17 on placebo) participated in the study. The statistical analysis of the results indicate that calcium dobesilate acts as a potent angioprotector, capable of preventing both intra and extraretinal hemorrhages. The drug also lowers the incidence of exudate formation and improves visual acuity.
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