Yep, there sure are. One rather famous individual is T. V. Raman, I believe who currently works at Google Research.<p>It's amazing how far screen reading and other technologies for the visually impaired have come along, more of a reason for me to consider accessibility over aesthetics when doing web development.
I was friends with a blind web developer years ago - I remember him telling me that he had the computer "speaking" so fast that a tech fixing his laptop thought it was broken.
yeah, totally... I knew a couple of folks from our local association for the blind who took computer science classes in college.<p>Also, see WWW:Wake from Robert Sawyer.