hearing aids and amplification devices that enable hearing-impaired students to hear what's going on in the classroom;
glare-reduction screens, screen magnifiers, and Braille note-taking devices that enable visually impaired students to participate more fully;
voice-recognition software that turns the spoken word into type on a computer screen so students unable to move their limbs can take part; and
technologies that enable severely disabled students to control their computers simply by following letters and commands on the computer screen with their eyes