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': 'The Conversion of CO2 and H20 into Carbonic acid during the formation of Aqueous humour is catalysed by which one of the following enzymes \nSelect and explain. \nA. Carboxylase, B. Carbamylase, C. Carbonic anhydrase, D. Carbonic deoxygenase', 'role': 'user'}, {'content': "Answer: C \nExplanation: C i.e. Carbonic anhydrase Carbonic anhydrase is related to aqueous humor production that's why carbonic anhydrase inhibitors lower intra ocular pressure Q.", 'role': 'assistant'}]