MONDO_1010150 (COL4A1/A2-related disorder) is a rare genetic disorder characterized by abnormal blood vessels in the brain (cerebral vasculature defects), eye development defects (ocular dysgenesis), muscle disease (myopathy) and kidney abnormalities (renal pathology) due to a variation in the COL4A1 or COL4A2 gene. Also known as: COL4A1/A2 syndrome, Gould syndrome.