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
Veically oval dilated pupil is seen in ? 
Select and explain. 
A. Acute primary angle closure glaucoma, B. Wernicke's korsakoff psychosis, C. Neurosyphilis, D. Paralysis of occulomotor nerve
A: Acute primary angle closure glaucoma
Answer: A: Acute primary angle closure glaucoma 
Explanation: Ans. is 'a' i.e., Acute primary angle closure glaucoma In acute primary angle closure glaucoma - Pupil is semidilated, veically oval and fixed. It is non-reactive to both light and accommodation.