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
Mild dilated fixed pupil seen in – 
Select and explain. 
A. Acute congestive glaucoma, B. Iridocyclitis, C. Chronic congestive glaucoma, D. Open angle glaucoma
A: Acute congestive glaucoma
Answer: A: Acute congestive glaucoma 
Explanation: In acute congestive glaucoma, pupil is semidilated (mild dilated), vertically oval and fixed.