This review deals with a comprehensive description of the available electromagnetic travel aids for visually impaired and blind people.
Currently available electronic travel aids for the blind.
Obstacle avoidance orientation navigation and travel in urban environments are.
The article describes four of the most widely accepted and utilized electronic travel aids for blind persons the lindsay russell pathsounder the mowat sensor the sonicguide and the c 5 laser cane.
It had a forward detecting range of 2 meter or 4 meter and 1 6 meters above the head.
The only commercially available ultrasonic guide cane online to my best knowledge is ultra cane.
An electronic travel aid eta is a form of assistive technology having the purpose of enhancing mobility for the blind pedestrian.
The price is 635 online.
Let s have a look at them.
Irisvision is an assistive technology solution approved and registered by the fda as a class 1 medical device one of the best vision enhancement wearable low vision aids in the market right now.
Vance landford electronic travel aids etas past and present slides taer april 2004.
Perhaps the most widely known device is the lasercane which is a regular long cane with a built in laser ranging system.
Current uses and applications of the four aids for specific populations of visually impaired persons are discussed.
Currently available design considerations eta patents.