This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Primary Angle-Closure Glaucoma, Subject name: Ophthalmology
The patient presents with acute pain and redness of eye with diminished vision and vomiting. The finding shown is: 
Select and explain. 
A. Mid-dilated pupil, B. Hypopyon, C. Dislocated eye lens, D. Dendritic ulcer
A: Mid-dilated pupil
Answer: A: Mid-dilated pupil 
Explanation: Ans. (a) Mid-dilated pupil.