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Tech gives remote sight to blind people
Aira is a new service using technology to give blind or partially sighted people the freedom to carry out many tasks unaccompanied and at any time.
It works by using a smartphone and glasses with a camera to connect a visually impaired person to a sighted professional who then becomes their eyes - able to guide, describe events and even read on their behalf.
The 成人快手's Washington correspondent Gary O'Donaghue tries out the technology and discovers there are issues of cost and privacy.
