Abstract
Glaucoma is a cause of comorbidity in patients receiving the Boston keratoprosthesis (KPro). The aim of this study was to report the outcomes of the Boston KPro with or without glaucoma surgery. This was a retrospective single-center cohort study. Patients who underwent Boston KPro from March 2009 to February 2019 were included. One eye per patient (the first surgery) was included in this study. Patients were classified into 2 groups: KPro only (group 1) and KPro with any form of glaucoma procedure (group 2). Main outcome measures were Best-corrected visual acuity (BCVA), functional success (BCVA 20/200 or better), anatomical success (retention of KPro at the last follow-up), and complications. Seventy-one eyes were included: 27 eyes (38%) in group 1 and 44 (62%) in group 2. There was no statistically significant difference in BCVA between groups 1 and 2 at each time point. Of the eyes in group 1, 11% lost light perception vision and 4.5% in group 2 ( P = 0.293). There was no difference in anatomical success with 70% in group 1 and 77% in group 2 ( P = 0.703) at the last follow-up, with a median failure time of 18 months. The functional success was 48% for group 1 and 50% for group 2 ( P = 0.541). Eyes undergoing KPro with glaucoma surgery before or at the same time carry a similar functional and anatomical success to eyes without glaucoma surgery.
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