Download Visual Snow An internet diagnosis between psychiatry and neurology
This is a paper that Ben Wigmans and his father Gerard made about a little known condition (and one I also happen to suffer from) called visual snow. There is as of yet no known cure for visual snow. It causes snow or television-like static to constantly appear in the person's visual field, 24 hours a day, 7 days a week. Also this paper is a translation, but there is still a lot of great information in it.
Here is an excellent forum on this condition, which I also happen to administer: Visual snow or static forums