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 seen in –a) Angle closure glaucomab) Central retinal artery occlusionc) Acute uveitisd) Endophthalmitise) Retinal detachment 
Select and explain. 
A. abc, B. acd, C. bc, D. bde
B: acd
Answer: B: acd 
Explanation: Causes of sudden painful loss of vision are :- Acute angle closure glaucoma, acute iridocyclitis (acute uveitis), chemical or mechanical injury to eye, endophthalmitis and optic neuritis.