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This abstract is assigned to session Poster session in O'Bistro

Title

Additional diagnostic clue in Multiple Evanescent White Dot Syndrome : Fundus autofluorescence

Purpose	Multiple Evanescent White Dot Syndrome (MEWDS) affects young adults and is characterized by sudden visual alterations in one eye, paracentral scotomas and photopsia. The fundus lesions demonstrate flat, small, multifocal, whitish, well defined spots located predominantly in the paramacular area, and a characteristic foveal granularity. Other findings may include mild vitritis, mild disc swelling and a relative afferent pupillary defect. We describe the evolution of fundus autofluorescence (FAF) in two patients, one with a typical and the other with an uncommon presentation of MEWDS.
Methods	Two patients with MEWDS were evaluated by angiography and FAF.
Results	For both patients, FAF in the acute phase showed hyperautofluorescent spots that precisely corresponded to the areas of hypofluorescent spots seen on indocyanine green angiography. In one patient who had no white spots on the fundus, but only foveal granularity, FAF findings allowed a faster diagnosis.
Conclusion	FAF is a useful non invasive imaging technique to identify MEWDS and should be added to the workup of MEWDS.

Author 1

Last name	GERARD
Initials	P
Department	Hôpital Erasme, department of ophthalmology, Université libre de Bruxelles
City	Bruxelles

Author 2

Last name	CORDONNIER
Initials	M
Department	Hôpital Erasme, department of ophthalmology, Université libre de Bruxelles
City	Bruxelles

Author 3

Last name	RASQUIN
Initials	F
Department	Hôpital Erasme, department of ophthalmology, Université libre de Bruxelles
City	Bruxelles