The best thickness of cornea graft from SMILE surgery as patch graft in glaucoma drainage implant surgery.

Objective: The aim of this study was to determine the best thickness of corneal slices acquired from femtosecond laser surgery-small incision lenticule extraction (SMILE surgery) as patch graft in glaucoma drainage implantation surgery.

Methods: This study is a prospective randomized study. Patients who received glaucoma drainage implantation from September 2016 to November 2018 were observed.