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
[{'content': '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 - \nSelect and explain. \nA. Vernal conjunctivitis, B. Fungal keratoconjunctivitis, C. Viral conjunctivitis, D. Trachoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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.", 'role': 'assistant'}]