Primary implantation of type I Boston keratoprosthesis in nonautoimmune corneal diseases.
Summary
In a large series with long follow-up, primary Boston KPro effectively restored vision. Close follow-up is needed to manage the known complications after Boston KPro.
Abstract
PURPOSE
The aim of this study was to report outcomes of type I Boston keratoprosthesis (KPro) as primary corneal surgery in nonautoimmune corneal disorders.
METHODS
In this retrospective, observational, large single-center case series of 43 eyes (37 patients) that were followed for an average of 39 months (1-6 years), primary implantation of the type I Boston KPro was performed in all patients. Visual acuity at year 1, visual acuity at last follow-up, and postoperative complication rates were examined for all eyes.
RESULTS
Preoperative best-corrected visual acuity ranged from 20/60 to light perception, with vision of 20/200 or worse in 88%. Vision was ≥20/200 at 1 year in 77% of eyes (P < 0.0001). Complications included retroprosthetic membrane formation (51%), glaucoma progression (47%), corneal melt (19%), and sterile vitritis (14%).
CONCLUSIONS
In a large series with long follow-up, primary Boston KPro effectively restored vision. Close follow-up is needed to manage the known complications after Boston KPro.
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Discussion
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