<prompt> Fasanella servat operation is done forMyasthenia gravisHorner syndromeCongenital ptosisDrug induced ptosis  <response>: The Fasanella-Servatprocedure is used for the repair of mild to moderate ptosis. ... RESULTS: Ptosis was classified as involutional, occurring after intraocular surgery, congenital, due to Horners syndrome present after levator surgery, and myogenicother. Ref khurana 6e 