Ahmed Glaucoma Valve Alone, With Amniotic Membrane or With Mitomycin C (MMC) for Treatment of Refractory Glaucoma

Ahmed Glaucoma Valve Alone,With Amniotic Membrane or With MMC for Treatment of Refractory Glaucoma

This randomized, controlled trial (RCT) compares the efficacy and safety of Ahmed Glaucoma Valve (AGV) implantation alone, with 3 minutes MMC application or with a single layer coverage of amniotic membrane. Outcomes include intraocular eye pressure (IOP), postoperative glaucoma medication and complications. AGV implantation site will be superior or inferior based on indication and these groups will be randomized separately.

Inclusion Criteria:

• patients with refractory glaucoma

Exclusion Criteria:

• children under 7 years old
• adults above 75 years old
• uncooperative patients
• patients underwent the operation for second time
• patients with major operation with AGV