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Minimally invasive glaucoma surgery (MIGS) offers options for glaucoma treatment that have generally improved safety profiles compared with filtering surgery. MIGS vary in design and procedure, but all angle-based MIGS function by bypassing or removing aqueous humor outflow resistance at the level of the trabecular meshwork. This can lower intraocular pressure but also remove the blood-aqueous barrier. Most studies of MIGS report on relatively short-term safety, but awareness of potential long-term complications is critical for optimal patient management. This case report describes a patient with recurrent and refractory delayed onset spontaneous hyphema after OMNI procedure. To the best of our knowledge, this is the first case report describing this complication of the OMNI surgical system.
Department of Ophthalmology, Mayo Clinic 200 First St SW, Rochester, MN, 55905.
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