Biomedical Engineering Reference
In-Depth Information
CHAPTER
7
Sensory Substitution
and Visual Prostheses
Chapter Outline
7.1
Introduction ..................................................................... 334
7.2
Anatomy and Physiology of the Visual Pathway ................................. 335
7.3
Main Causes of Blindness....................................................... 339
7.4
Optical Prosthetics—Glasses, Thermal Imagers, Night Vision .................... 339
7.5
Sonar-Based Systems .......................................................... 341
7.6
Laser-Based Systems ........................................................... 350
7.7
Sensory Substitution ............................................................ 350
7.8
GPS-Based Systems ........................................................... 370
7.9
Visual Neuroprostheses ......................................................... 371
7.10
The Future ...................................................................... 391
7.11
References ..................................................................... 392
333
