Diffuse unilateral subacute neuroretinitis (DUSN) is a rare ocular infectious disease caused by migrating larvae of a nematode. DUSN is often a diagnostic challenge as it is difficult to identify the pathogenic nematode on funduscopic examination because it moves frequently and often resides within the subretinal space. Herein, the authors present a patient with unilateral, chronic visual loss who was noted to have a live, motile worm within the vitreous cavity. Initial attempts to treat with laser photocoagulation were unsuccessful. In the accompanying video, the authors report the first case of a live intraocular parasite successfully removed with pars plana vitrectomy.
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http://dx.doi.org/10.3928/23258160-20201202-10 | DOI Listing |
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