<prompt> Ankyloblepharon is:Fusion of bulbar conjunctiva with palpebral conjunctivaFusion of upper and lower palpebral eyelid marginesFusion of bulbar conjunctiva with corneaFusion of palpebral conjunctiva with cornea  <response>: ANKYLOBLEPHARON SYMBLEPHARON: Fusion of upper and lower eyelids margins : ankyloblepharon. Most common cause: chemical thermal injury, SJS, TEN, pterygium surgery Ankyloblepharon Symblepharon- adhesion bw palpebral bulbar conjunctiva, eyelids gets adherent to eyeball. 