This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lid, Subject name: Ophthalmology
[{'content': 'A 50 year old male presents with cicatricial entopion of upper and lower eyelid. On eversion of upper eyelid, linear conjunctival scars - Arlt line are seen. What is the diagnosis? \nSelect and explain. \nA. Trachoma, B. Spring catarrah, C. Ligneous conjunctivitis, D. Parinaud oculoglandular syndrome', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Trachoma * Arlt line is a feature of trachoma.Signs of Trachoma* Conjunctival signs Congestion, conjunctival follicles (boiled sagograin like), Papillary hyperplasia, conjunctival scarring (Arifs line), concretion.* Corneal signsSuperficial keratitis, Herbert follicles, Pannus, Corneal ulcer, Herbert pits, Corneal opacity.", 'role': 'assistant'}]