Screen readers or Braille displays are options - window-eyes is free on windows now (with purchase of an office bundle) and VoiceOver is free on OS X. After the

Screen readers or Braille displays are options - window-eyes is free on windows now (with purchase of an office bundle) and VoiceOver is free on OS X. After the learning curve you may find it faster than navigating visually if it's painful or slow to look at the screen. If you're in California you may want to look into the Department of Rehabilitation (or find the comparable department in your state/country) which provides free equipment and training for visually impaired users entering the job market or school.