Two days ago, after taking off my glasses in the evening, I noticed a slight feeling as if I was still seeing the
rims of my glasses, the day after as well. Now I wake up in the middle of the night and wonder why I’m wearing glasses - but I’m not. It looks as if there is a slight afterimage of my rims visible to me. What can cause this? It’s freaking me out. Eye exam was three weeks ago and anatomically, everything was fine.