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Manotosh Ray; Corneal patch grafts for exposed glaucoma drainage devices. Invest. Ophthalmol. Vis. Sci. 2019;60(9):6275.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate the outcome of partial thickness corneal patch grafts for exposed glaucoma drainage devices (GDD).
In this retrospective interventional study all patients who had an exposed GDD underwent a revision surgery using partial thickness corneal patch graft. Non-optical quality cornea was used in all patients. The patients were followed up for a minimum of one year. The patient profile, surgical success rate and any complications were recorded. A tectonic graft success was considered when there was no melting.
Thirty three patients (mean age 69.9 ± 12.2 years) were enrolled. GDD was implanted primarily for primary open angle glaucoma in 90.9% patients. Majority of these implants were Ahmed glaucoma valves (93.9%). All patients underwent lamellar corneal patch grafting to cover the exposed GDD. The average follow-up period was 24.2 ± 14.3 months. Corneal patch graft had provided excellent cosmetic appearance. Graft melting occurred in 3 patients (9.09%) who eventually needed repeat graft.
Corneal patch graft following exposed GDD provided reasonable therapeutic success and excellent cosmetic appearances.
This abstract was presented at the 2019 ARVO Annual Meeting, held in Vancouver, Canada, April 28 - May 2, 2019.
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