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West Nile chorioretinitis.

Ryan B Eidsness1, Frank Stockl, Kevin M Colleaux

  • 1Department of Ophthalmology, City Hospital Eye Centre, Saskatoon, Canada. r.eidsness@gmail.com

Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie
|January 5, 2006
PubMed
Summary

West Nile virus can cause chorioretinitis, an eye inflammation. This condition, presenting with visual disturbances, is often self-limiting and should be considered in differential diagnoses for retinal inflammation.

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Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Virology

Background:

  • West Nile virus (WNV) has spread across Canada.
  • Ocular manifestations of WNV are increasingly recognized.

Observation:

  • Two Canadian patients presented with visual-field disturbances following flu-like symptoms.
  • Ophthalmologic examinations revealed characteristic findings of chorioretinitis.

Findings:

  • Both cases of West Nile chorioretinitis were self-limited.
  • Fundus photography and fluorescein angiography showed typical patterns of inflammation.

Implications:

  • Ophthalmologists should consider WNV infection in the differential diagnosis of chorioretinal inflammation.
  • As WNV prevalence increases, more cases of ocular involvement are anticipated.

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