Comparing Outcomes of 45 Xen Implantation Ab Interno With Closed Conjunctiva to Ab Externo With Open Conjunctiva Approaches.
El Helwe Hani, Ingram Zoë, Neeson Cameron E, Falah Henisk, Trzcinski Jonathan, Lin Jonathan B et al.
This study found ab externo XEN stent placement yielded better IOP reduction and success rates than ab interno, suggesting it's a more effective surgical approach for glaucoma.