Vitamin E prevents diabetes-induced abnormal retinal blood flow via the diacylglycerol-protein kinase C pathway. - Kunisaki,M.; Bursell,S.E.; Clermont,A.C.; Ishii,H.; Ballas,L.M.; Jirousek,M.R.; Umeda,F.; Nawata,H.; King,G.L. (Am J Physiol, 1995)