I notice I get tunnel vision staring at the exact same spot for 10 seconds. The rest of the screen starts to flicker or something, like when you were a kid and

I notice I get tunnel vision staring at the exact same spot for 10 seconds. The rest of the screen starts to flicker or something, like when you were a kid and would stare at an inverse American flag before looking at a white wall. EDIT ten minutes later my eyes still hurt