Low vision is a form of visual impairment that restricts daily activities and is not correctable with eye glasses, contact lenses, medicine, or surgery. There are approximately 161 million people with visual impairment in the world; it is believed that 124 ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles