FingerSight: Fingertip Haptic Sensing of the Visual Environment
From: IEEE EMBS - 03/06/2014

FingerSight: Vision through the fingertip for the visually impaired. A tiny
camera with computer vision algorithms communicates through a vibrator as the
wearer interrogates the environment.

Read the entire article at:
http://health.embs.org/articles/fingersight-fingertip-haptic-sensing-visual-environment/
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6758358

Link:
FingerSight
http://www.fingersight.com/