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
Most common allergic manifestation of tuberculosis is : 
Select and explain. 
A. Phlyctenular conjunctivitis, B. Koeppe's nodule, C. Retinopathy, D. Scleritis
B: Koeppe's nodule
Answer: B: Koeppe's nodule 
Explanation: B i.e. Koeppe's nodule