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
[{'content': 'All are features of fungal keratitis, EXCEPT \nSelect and explain. \nA. Less symptoms, more signs, B. Infected hypopyon, C. Early vascularisation of cornea, D. Dry white slough', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Early vascularization of cornea', 'role': 'assistant'}]