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
Cause of red congested painful eye with mild dilated veically oval pupil 
Select and explain. 
A. Acute congestive glaucoma, B. Anterior uveitis, C. Keratoconjunctivitis, D. Eale's disease
A: Acute congestive glaucoma
Answer: A: Acute congestive glaucoma 
Explanation: A i.e. Acute congestive glaucoma