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
In sympathetic ophthalmitis first sign is : 
Select and explain. 
A. Presence of KPs., B. Retrolental flare, C. Presence of aquous flare, D. Constriction of pupil
A: Presence of KPs.
Answer: A: Presence of KPs. 
Explanation: A i.e. Presence of KP's