This retrospective, non-comparative study was conducted at the Department of Ophthalmology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand. The medical records of consecutive patients who had undergone glaucoma drainage device implantation employing the fornix-based conjunctival flap technique and using a glycerin-preserved, human-donor, corneoscleral graft. The procedures were carried out by, or under the supervision of, one surgeon (NK) between January 2006 and December 2016 were reviewed. The study protocol was approved by the Siriraj Institutional Review Board, Faculty of Medicine, Siriraj Hospital, Mahidol University.
