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': "Fincham's test is used to: \nSelect and explain. \nA. Diagnose congenital glaucoma, B. Diagnose acute congestive glaucoma, C. Differentiate diagnose of acute congestive glaucoma from cataract, D. Diagnose congenital cataract", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Differentiate diagnose of acute congestive glaucoma from cataract', 'role': 'assistant'}]