This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
[{'content': 'Trachoma causes \nSelect and explain. \nA. Mechanical ptosis, B. Trichiasis, C. Entropion, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Mechanical ptosis Trichiasis Entropion All are sequelae of Trachoma due to scarring Refer: Khurana 6th edition page number 65', 'role': 'assistant'}]