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
Acute angle closure glaucoma 
Select and explain. 
A. Colored haloes present, B. Flashes of light seen, C. Deep anterior chamber, D. All
A: Colored haloes present
Answer: A: Colored haloes present 
Explanation: A i.e. Colored haloes present