Yeah it's not as bad as it sounds. Hard to describe, but it's sorta like if somebody flashed a light in your face, you'd probably wince and kinda lose your trai

Yeah it's not as bad as it sounds. Hard to describe, but it's sorta like if somebody flashed a light in your face, you'd probably wince and kinda lose your train of thought. It's like that but without any obvious stimulus (and obviously without the retinal damage). And (at least for me) only happened when I was sort of sitting "idle" - not while I was standing or walking or actively programming, more just when I was half-heartedly reading some boring news article or whatever.