Microvascular Complications of Diabetes 5, also known as diabetic retinopathy, is related to microvascular complications of diabetes 1 and type 1 diabetes mellitus. An important gene associated with Microvascular Complications of Diabetes 5 is PON1 (Paraoxonase 1), and among its related pathways/superpathways are Signal Transduction and GPCR Pathway. The drugs Vildagliptin and Pioglitazone have been mentioned in the context of this disorder. Affiliated tissues include Eye and retina, and related phenotypes are homeostasis/metabolism and nervous system