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
A 12 years old boy presents with recurrent attacks of conjunctivitis for the last 2 years with intense itching and ropy discharge. The diagnosis is – 
Select and explain. 
A. Vernal conjunctivitis, B. Phlyctenular conjunctivitis, C. Trachoma, D. Viral conjunctivitis
A: Vernal conjunctivitis
Answer: A: Vernal conjunctivitis 
Explanation: Recurrent conjunctivitis, intense itching and ropy discharge in a 12 year old boy suggest the diagnosis of spring catarrh.