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': 'Which of the following is not a sequelae of trachoma? \nSelect and explain. \nA. Proptosis, B. Tylosis, C. Pseudocyst, D. Dacrocystitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Proptosis REF: Khurana 4th ed p. 66 Sequelae of trachoma: Lids : entropion, tylosis, ptosis, madarosis , ankyloblepharon Conjuctiva: concretions, pseudocyst, xerosis, symblepharon. Cornea: opacity, ectasia, xerosis. Others: Dacrocystitis, chronic dacryoadenitis.', 'role': 'assistant'}]