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Observation
July 2014

Subretinal Thelazia-Induced Diffuse Unilateral Subacute Neuroretinitis

Author Affiliations
  • 1Department of Ophthalmology, Chiang Mai University, Chiang Mai, Thailand
  • 2Department of Parasitology, Chiang Mai University, Chiang Mai, Thailand
  • 3Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
JAMA Ophthalmol. 2014;132(7):896-898. doi:10.1001/jamaophthalmol.2014.346

Diffuse unilateral subacute neuroretinitis (DUSN) is a parasitic eye infection with characteristic abnormalities of the outer retina and retinal pigment epithelium and is caused by nematode infection, which can be located in the subretinal space.1 It is a primarily unilateral ocular disorder clinically characterized by a decrease in vision associated with vitritis, papillitis, and recurrent development of white linear lesions in the retina. The gold standard of the diagnosis of DUSN is the visualization of a motile worm. Herein, we report a case of subretinal Thelazia-induced DUSN.

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