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
'Iris-pearls' are seen in: 
Select and explain. 
A. Syphilis, B. Leprosy, C. Sarcoidosis, D. Tuberculosis
B: Leprosy
Answer: B: Leprosy 
Explanation: Ans. Leprosy