Electronic Travel Aids for Blind Persons

Abstract

This article describes four of the most widely accepted and utilized Electronic Travel Aids—the Lindsay Russell Pathsounder, the Mowat Sensor, the Sonicguide™, and the C-5 Laser Cane. Current uses and applications of the four aids for specific populations of visually impaired persons are discussed. In addition, a research review provides insight into the issues affecting future use of the devices.