This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Antipsychotic drug causing retinal pigment disorder is? \nSelect and explain. \nA. Thiaoridazine, B. Clozapine, C. Chlorpromazine, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. ThiaoridazineBlue pigmentation of skin, corneal and lenticular opacities, retinal degenration can occur with thioridazine.', 'role': 'assistant'}]