i had it intensely when i also developed other neurological issues like peripheral neuropaty, and palinopsia(afterimage)although symptom was temporary. now its more of a background if i concentrate hard enough i see snow. i had also had pretty bad RLS for several weeks.
I always assumed everyone saw it. I’m not special after all.
Though mine is gray, definitely not purple.
i had it intensely when i also developed other neurological issues like peripheral neuropaty, and palinopsia(afterimage)although symptom was temporary. now its more of a background if i concentrate hard enough i see snow. i had also had pretty bad RLS for several weeks.