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': 'The patient is suffering from which stage of trachoma? \nSelect and explain. \nA. Trachomatous inflammation intense, B. Trachomatous scarring, C. Trachomatous corneal opacity, D. Trachomatous trichiasis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. (d) Trachomatous trichiasisGoing by the FISTO classification of WHO, active inflammation signs and Arlt's line cannot be seen, so the above case cannot be TF, TI, TS.Corneal epithelial defects can be seen, but corneal opacity has still not developed, thus the above patient can be graded as a case of TT.", 'role': 'assistant'}]