Beta versionVisual disturbances Please select any visual disturbances you have experienced,or choose ‘None of the above.’ Shimmering or flickering lights Zig‑zag or wavy lines Blurred or tunnel vision Areas of partial loss of vision (“blind spots”/scotoma) Geometric shapes or patterns Other visual phenomenonOther (please describe below):0 / 80 characters None of the above – I did not experience any visual disturbances.Continue