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Table 3 Proposed list of all EVS of migraine aura and their description

From: Clinical features of visual migraine aura: a systematic review

Proposed Name Description
1. Bright lightc Single area of bright light
2. Foggy/blurred vision Foggy or blurred vision
3. Zigzag linesac Zigzag or jagged lines
4. Scotoma Single blind area
5. Scotomata Several blind/black areas
6. Small bright dotsc Small bright dots/stars
7. White dots/round formsabc Medium sized white dots/round forms
8. Colored dots/round formsabc Medium sized coloured dots/round forms
9. Lines (colored lines)abc Lines (colored lines)
10. Geometrical shapesabc Geometrical shapes
11. ’Like looking through heat waves, water or oil’ ’Like looking through heat waves, water or oil’
12. Visual snow Dynamic, continuous, tiny dots usually black/gray on white background and gray/white on black background
13. ‘Bean-like’ formsabc ‘Bean-like’ forms like a crescent or C-shaped
14. Hemianopsia Blindness of half of the visual field
15. Deformed images Deformed images (alteration of lines/angles)
16. Tunnel vision Blindness in the whole periphery
17. Oscillopsia Movement of stationary objects
18. Mosaic vision Seeing mosaic-like
19. Fractured objects Seeing fractured objects
20. Corona effectabc An extra edge on objects
21. Anopia Total blindness
22. Micropsia Objects appear smaller or more distant than they actually are
23. Macropsia Objects appear larger or closer than they actually are
24. Like a negative film Seeing like a negative film
25. Complex hallucinationsac Visual perception of something not present (e.g. objects, animals, and persons)
  1. For some EVSs, when reported, patients should be asked about some additional features: a colour; b internal pattern (suggested text: “If the inside of the EVS does not have a homogeneous color but is made up an internal pattern (for example zigzag lines or chessboard) please describe it in words”); c scintillation / flickering (suggested text: “Is/are EVS scintillating (like stars or intermittent lights) and/or flickering (as rapid movements like the wings of a butterfly)?”)