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: Ophthalmology
[{'content': 'All of the following are examples of mydriatics except – \nSelect and explain. \nA. Atropine, B. Homatropine, C. Tropicamide, D. Pirenzepine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cycloplegics (paralysis of accommodation + mydriasis) → Atropine, Homatropine, Cyclopentolate, tropicamide\nOnly mydriatics → Phenylephrine.\n\nNote : Cycloplegic action of tropicamide is unreliable.', 'role': 'assistant'}]