This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
Cobblestone appearance of conjunctiva is typically seen with - 
Select and explain. 
A. Phlyctenular conjunctivitis, B. Foreign body, C. Spring catarrh, D. Trachoma
C: Spring catarrh
Answer: C: Spring catarrh 
Explanation: Cobble-stone or pavement stone appearance is seen in spring catarrh. Reference : Parson&;s 22nd edition page 180-181