I can’t decide if I have it or not. Like if I look at a wall that is white. I know it’s white and can see it’s white. But it often feels like it’s moving or I’m

I can’t decide if I have it or not. Like if I look at a wall that is white. I know it’s white and can see it’s white. But it often feels like it’s moving or I’m seeing an overlay of noise. But when I’m the car I don’t notice it when things are moving fast. I always assumed it was just from looking at a computer screen for like 30 years.