According to data from the 1994 National Health Interview Survey on Disability (Russell, Hendershot, LeClere & Howie 1997), approximately 527,000 persons in the U.S. use some type of vision device:
- Telescopic lenses: 158,000
- White cane: 130,000
- Readers: 68,000
- Braille: 59,000
- Computer equipment: 34,000
- Other vision technology: 277,000
- According to the American Printing House for the Blind (1999), approximately 10% of blind students (5,557) primarily use braille and 25% primarily use large or regular print (14,571).
- Based on estimates compiled by the American Foundation for the Blind (2007), just over 7,000 Americans use guide dogs.
