I've had these - or rather, been able to see them - since I was a child out on playing on a large, empty field of fresh snow. I originally assumed they were lit

I've had these - or rather, been able to see them - since I was a child out on playing on a large, empty field of fresh snow. I originally assumed they were little ice crystals freezing on my eyes (since it was very cold, and I was often outdoors in the snow when I saw them). Some time in my teenage years, I learned what they really were, which is even more fascinating. Once I notice them, I can pretty easily tune mine out, like one of those optical illusions where you can consciously switch between perspectives. (I have some floaters, and can normally do the same thing with them as well.)