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
All are seen in acute Iridocyclitis except – 
Select and explain. 
A. Pain, B. Ciliary congestion, C. Mucopurulent discharge, D. Small pupil
C: Mucopurulent discharge
Answer: C: Mucopurulent discharge 
Explanation: Pain, ciliary (circumcorneal) congestion and small pupil (meiosis) are seen in acute anterior uveitis. There is watery discharge (not mucopurulent).
Mucopurulent discharge is seen in acute conjunctivitis, an important differential diagnosis of acute anterior uveitis.