(Computer) Vision without Sight
From: Communications of the ACM - 01/2012 - page 96
By: Roberto Manduchi & James Coughlan

Computer vision holds the key for the blind or visually impaired to explore
the visual world. 

More than 20 million people in the US live with visual impairments ranging
from difficulty seeing, even with eyeglasses, to complete blindness. Vision
loss affects almost every activity of daily living. Walking, driving, reading
and recognizing objects, places, and people become difficult or impossible
without vision. Thus, technology that can assist visually impaired (VI)
people in at least some of these tasks may have a very relevant social
impact.  

Read the entire article at:
http://cacm.acm.org/magazines/2012/1/144819-computer-vision-without-sight/fulltext

Links:
Talking Signs
http://talkingsigns.com

K–NFB Reading Technology
http://knfbreader.com

Intel Reader
http://www.intel.com/about/companyinfo/healthcare/products/reader/index.htm 

Blindsight - Technology for independent living
http://www.blindsight.com/

RedLaser scanning application
http://redlaser.com

Digit-Eyes - makes audible labels
http://digit-eyes.com