Table 2 Diagnostic criteria for MEWDS

1. Photopsias and/or subjective scotomas at or prior to presentation and/or preceding flu-like episode^a

2. Triad of ICGA hypofluorescent and BL-FAF hyperautofluorescent areas and corresponding loss or damage of ellipsoid zone on SD-OCT^a

3. Multiple yellow-white fundus dots and/or foveal granularity^b (helpful but moderate to low sensitivity)

4. Unilateral clinical involvement^b (helpful)

5. Exclusion of other infectious, inflammatory or masquerading entities

6. Scotomas and/or enlarged blind spot-on visual field

7. Often young myopic women^b