This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjuctiva, Subject name: Ophthalmology
Ramu age 10 years, present with itching in his eye, foreign body sensation and ropy discharge since several months. These symptoms are more prominent in summer. Most probable diagnosis is - 
Select and explain. 
A. Vernal conjunctivitis, B. Fungal keratoconjunctivitis, C. Viral conjunctivitis, D. Trachoma
A: Vernal conjunctivitis
Answer: A: Vernal conjunctivitis 
Explanation: Ans. (a) Vernal conjunctivitisRef: Parson's 21/e, p. 178Age 10 years (Male child), with Itching, foreign body sensation, Ropy discharge (characteristic of spring catarrh) and exacerbation during summer (characteristic of spring catarrh) is diagnostic for VKC.