I wonder, if, blind people dream. Because, not only do they not see with their eyes and I'm not sure if that has a relation with your "dream vision" but they don't have any images of what things look like, a person, the sky, a bird, colors.. everything, so what is it that they see? I think that would be a very interesting thing to learn about.
Did you know that only 5% of all people dream in color. someone in my class told me this, i'm not sure if its true but if it is, i feel special because i do