Ab Interno XEN Gel Stent Implantation in Eyes with Previous Tube Shunt Surgery

Purpose: After tube shunt surgery, many factors may contribute to insufficient filtration over time, prompting further intervention to achieve optimal intraocular pressure (IOP) control. This study explores whether ab interno XEN gel stent implantation could be a viable approach in eyes that need further IOP reduction after tube shunt surgery. Methods: This is a retrospective, single-surgeon case series on ab interno XEN45 gel stent …