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
Sudden painful loss of vision is seen in: 
Select and explain. 
A. Angle closure glaucoma, B. Endopthalmitis, C. Acute uveitis, D. All
D: All
Answer: D: All 
Explanation: Ans. All A, B, and C