Watch the above video to learn more about Switch Control on OS X Mavericks. Click here to download OS X Mavericks.

Learn about assistive technology for people with reading disabilities, dyslexia, low vision, blindness and other disabilities that make reading, writing, and other tasks difficult. Written by someone who uses assistive technology to read and write.
"Every Mac comes standard with a wide range of assistive technologies that help people with disabilities enjoy the power and simplicity of the Mac. We call this Universal Access, and it includes many features you won’t find in other operating systems at any price. In OS X, they’re built right in."