This might be one of the least invasive sight aids for the visually impaired that we've spotted: it's a camera that sits in the shirt pocket, Her-style, and uses auditory alerts to warn when the user approaches obstacles. The idea here is to help fol...via Engadget RSS Feed http://www.engadget.com/2015/03/27/tunnel-vision-camera-test/?ncid=rss_truncated
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