Effectiveness and safety of istent as an interventional glaucoma approach for uncontrolled open-angle glaucoma.

Introduction: To describe the results of iStent implantation as a standalone procedure in early-stage uncontrolled glaucoma, with results up to 24 months.

Methods: A retrospective, single-center case series that recruited patients with open-angle glaucoma (OAG), uncontrolled IOP (defined as ≥18 mmHg), and who are receiving 1-4 glaucoma medications were implanted the iStent as a standalone procedure. Exclusion criteria were the contraindications of iStent implantation.

Double implantation of Xen 45 gel stent in primary open-angle glaucoma: a pilot study.

Purpose: To describe the outcomes of double implantation of Xen 45 Gel Stent (Xen) using an ab externo approach with closed conjunctiva.

Methods: Retrospective single-centre case series of primary open-angle glaucoma patients with at least six months of follow-up after implantation of a second Xen in the same eye via ab externo technique without conjunctival opening.

Results: Eight pseudophakic eyes of 8 patients were included.

Refractive error after combined phaco-vitrectomy: A multicentric study.

Purpose: To study the post-operative refractive error (RE) of patients undergoing combined phaco-vitrectomy and to find out which intraocular lens (IOL)-power formula had the best refractive outcomes.

Methods: In this retrospective multicentric study we compared the preoperative expected target with the postoperative RE of patients undergoing combined phaco-vitrectomy due to vitreomacular traction, macular pucker, full thickness macular hole or lamellar macular hole. A multinomial logistic regression was performed to compare the postoperative REs and the differences between expected and postoperative REs among the SRK-T, Olsen's and Holladay-2 formulas.