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    To describe the risk factors, clinical course, and complications related to anterior segment migration of a dexamethasone (DEX) intravitreal implant, and review over potential management strategies. Recent reports have demonstrated that migration of a DEX implant into the anterior chamber may occur in patients with higher risk ocular characteristics. Although a relatively rare occurrence, DEX implant migration carries the possibility of inducing potentially vision-threatening corneal endothelial decompensation and edema. Any combination of previous pars plana vitrectomy, an open/defective lens capsule, and/or iris defects may increase the risk of DEX implant migration into the anterior chamber. In the setting of a DEX implant that has moved into the anterior segment with corneal edema already present, urgent removal of the implant is warranted to reduce the risk of permanent visual compromise.

    Citation

    Ehsan Rahimy, Rahul N Khurana. Anterior segment migration of dexamethasone implant: risk factors, complications, and management. Current opinion in ophthalmology. 2017 May;28(3):246-251

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    PMID: 28376511

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