I was looking at AFB's guidelines on making content for the visually impaired, and I was curious if anyone had any suggestions on making things easier to understand.

For instance, would having "W, A, S, and D keys" instead of "WASD" in a manual be better for screen readers? Do PDF documents work better than web pages?

Any insights or discussion would be great!

Looking at this screenreader survey, PDFs do not seem to be particularly preferred. http://webaim.org/projects/screenreadersurvey6/

I would think that a webpage or plain txt file would be better.