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
The most reliable provocative test for angle-closure glaucoma is: 
Select and explain. 
A. Homatropine mydriatic test, B. Mydriatic-miotic test, C. Water drinking test, D. Dark room test
D: Dark room test
Answer: D: Dark room test 
Explanation: Ans. Dark room test