I have had the blue dots appear, looking just like the little blue led on my phone that tells me I have a message, and they remain for about a second, and blink out. They occur with eyes open or closed and sometimes seem to follow thoughts about spiritual matters, so that's what I think they are related to, a metaphysical phenomenon of some sort. I asked my opthalmologist about them, and he said he saw nothing in my exam to explain something like that. I've had them for several years now, usually at least once daily. If you have ever had visual field testing where blue dots are used that blink on and off, it's a lot like those look.