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': 'Drug used in acute congestive glaucoma are all \nSelect and explain. \nA. Except Atropine, B. Pilocarpine, C. Acetozolamide, D. Mannitol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Atropine Mydriatic drugs such as atropine, cyclopentolate, tropicamide and phenyl ephrine are precipitating factorQ for angle closure glaucoma, so not used (contraindicated) in its treatment.', 'role': 'assistant'}]