Sonar Glasses Obstacle Detection Device for Blind and Visually Impaired

Maggie McBride, Communications and Administrative Specialist G-Technology Group. (2016-07-13). Sonar Glasses Obstacle Detection Device for Blind and Visually Impaired. Retrieved 2016-07-19, from http://www.disabled-world.com/assistivedevices/visual/sonar-glasses.php Direct Link: Sonar Glasses Obstacle Detection Device for Blind and Visually Impaired - Maggie McBride, Communications and Administrative Specialist G-Technology Group