title: Methylphenidate abuse produces retinopathy.
mesh_terms: D002196:Capillaries; D004617:Embolism / Q000209:etiology; D006801:Humans; D007275:Injections, Intravenous / Q000009:adverse effects; D008774:Methylphenidate; D010316:Particle Size; D012164:Retinal Diseases / Q000139:chemically induced*; D012171:Retinal Vessels; D019966:Substance-Related Disorders / Q000150:complications
chemical_list: D008774:Methylphenidate