Frontalis Suspension m Congenital Ptosis using LyoduraⓇ

LyoduraⓇ is a commercial name of a cleaned, desantigenized, desenzymatized, rendered free of pyogenics, sterilized by gamma rays, and lyophilized dura. Frontalis suspension with Lyoduraﾮ was performed on a total of 16 patients (21 lids) of congenital ptosis with levator muscle function of 3mm or less in the ptotic lid.