This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'Fusion of palpebral and bulbar conjunctiva is- \nSelect and explain. \nA. Symblepharon, B. Trichiasis, C. Ectropion, D. Tylosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: *Adhesion of the lids to eyeball is called symblepharon. It occurs due to fusion of palpebral conjunctiva (covering inner surface of lid) to bulbar conjunctiva (covering outer surface of eyeball).', 'role': 'assistant'}]