blepharosphincterectomy

blepharosphincterectomy

(blĕf″ă-rō-sfĭnk″tĕr-ĕk′tō-mē) [″ + sphinkter, a constrictor, + ektome, excision]
Excision of part of the orbicularis palpebrarum to relieve pressure of the eyelid on the cornea.