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Multiple Evanescent White Dot Syndrome and Acute Zonal Occult Outer Retinopathies

LOMBARDO, JAMES OD, FAAO

Optometry & Vision Science:
Case Report
Abstract

Background. Multiple evanescent white dot syndrome (MEWDS) is a rare, acute, multifocal retinitis located in the posterior pole. Patients with MEWDS may report photopsia, central scotoma, or decreased vision. Prodromal viral-like symptoms may be associated with this syndrome, but its etiology remains unknown. The condition is self limiting with a favorable prognosis for visual recovery within several weeks.

Case Report. A young, myopic, female patient presented with painless photopsia, scotoma, and subsequent vision loss secondary to MEWDS. The clinical appearance, differential diagnosis, and management of MEWDS are discussed.

Discussion. Careful ophthalmoscopic and angiographic interpretation along with complete history taking are the keys to diagnosing MEWDS. Ancillary testing including electroretinogram, early receptor potential, and visual fields aid in the differential diagnosis. Once the diagnosis has been established, patient reassurance is appropriate in the management of this condition.

Author Information

Northwest Eye Surgeons, Seattle, Washington

Received September 17, 2002;

revision received March 27, 2003.

James Lombardo

Northwest Eye Surgeons

10330 Meridian Ave. North, Suite 370

Seattle, WA 98133

e-mail: jlombardo@nweyes.com

© 2003 American Academy of Optometry