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': 'Ankyloblepharon is: \nSelect and explain. \nA. Fusion of bulbar conjunctiva with palpebral conjunctiva, B. Fusion of upper and lower palpebral eyelid margines, C. Fusion of bulbar conjunctiva with cornea, D. Fusion of palpebral conjunctiva with cornea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ANKYLOBLEPHARON & SYMBLEPHARON: *Fusion of upper and lower eyelids margins : ankyloblepharon. *Most common cause: chemical & thermal injury, SJS, TEN, pterygium surgery Ankyloblepharon Symblepharon- adhesion b/w palpebral & bulbar conjunctiva, eyelids gets adherent to eyeball.', 'role': 'assistant'}]