Abstract
To describe a case of aqueous misdirection complicated by subsequent persistent choroidal effusions following implantation of a Preserflo MicroShunt (PMS) device to treat advanced closed angle glaucoma. A 67-year-old caucasian female with advanced primary angle-closure glaucoma on four medications with an intraocular pressure (IOP) of 26 mm Hg was listed for a PMS insertion with mitomycin C (MMC). Past ocular history was significant for pseudophakia and previous yttrium aluminum garnet (YAG) peripheral iridotomy. Surgery was uneventful but on the first postoperative day, she developed aqueous misdirection complicated by subsequent development of persistent uveal effusions. Conventional treatment strategies including atropine drops, YAG hyaloidotomy and choroidal effusion drainage proved ineffective. A combination of oral steroids and pars plana vitrectomy (PPV) along with an irido-zonulo-hyloidectomy (IZH) proved efficacious. To the best of the author's knowledge, this is the first published case of aqueous misdirection complicated with the presence of significant, unresolving choroidal effusions, highlighting the possibility and sequelae of comorbid pathology in nanophthalmic eyes.
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