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
Fusion of palpebral and bulbar conjunctiva is - 
Select and explain. 
A. Symblepharon, B. Trichiasis, C. Ectropion, D. Tylosis
A: Symblepharon
Answer: A: Symblepharon 
Explanation: Lids become adherent with the eyeball as a result of adhesion between bulbar and palpebral conjuctiva. A symblepharon is a paial or complete adhesion of the palpebral conjunctiva of the eyelid to the bulbar conjunctiva of the eyeball. It results either from disease (conjunctival sequelae of trachoma) or trauma. Ref :Ak khurana 6th edition pg no:376 REF IMG