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A 67-year-old man presented with hand motions vision, a decompensated vascularised cornea and a flat anterior chamber in the right eye 5 years following cataract and glaucoma surgery. He lost the left eye several years ago following a similar intervention. The intraocular pressure (IOP) was 19 mm Hg on four antiglaucoma medications and the axial length was 19 mm. In view of the high risk for graft failure, a Boston type 1 keratoprosthesis (Kpro) was planned for visual rehabilitation, and a glaucoma drainage device (GDD) for IOP control. Although a combined GDD with Kpro was indicated, we performed sequential surgeries to avoid vision threatening hypotony-related complications. He underwent parsplana vitrectomy, prophylactic lamellar sclerectomies and Kpro at the first stage, followed by a paediatric Ahmed glaucoma valve implantation 3 months later. Despite precautions, postoperative uveal effusion occurred but could be managed conservatively. His IOP was controlled; visual acuity improved to 20/50 and remained stable at 2 years.
Department of Glaucoma, L V Prasad Eye Institute, Hyderabad, Andhra Pradesh, India.
Full article12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
9.4.11.4 Glaucomas associated with corneal surgery (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders > 9.4.11 Glaucomas following intraocular surgery)
2.2 Cornea (Part of: 2 Anatomical structures in glaucoma)
9.1.4 Other (Part of: 9 Clinical forms of glaucomas > 9.1 Developmental glaucomas)