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
Antipsychotic drug causing retinal pigment disorder is? 
Select and explain. 
A. Thiaoridazine, B. Clozapine, C. Chlorpromazine, D. None of the above
A: Thiaoridazine
Answer: A: Thiaoridazine 
Explanation: Ans. A. ThiaoridazineBlue pigmentation of skin, corneal and lenticular opacities, retinal degenration can occur with thioridazine.