Purpose: To find out the outcomes of Ahmed Glaucoma Valve (AGV) implantation in a tertiary care hospital.
 Study Design: Retrospective case series.
 Place and Duration Study: Shifa International Hospital Islamabad from January 2018 to July 2020.
 Methods: This retrospective series 19 eyes 17 patients with refractory glaucoma included who underwent AGV follow-up period 6 months 01...