sábado, 30 de agosto de 2014

The new technologies helping visually impaired people navigate cities

Pedestrians cross the new diagonal road crossing at Oxford Circus in London. Road crossings can be difficult to navigate for people with visual impairments. Photograph: Felix Clay

Navigating a mega-city like London on foot can be a fraught experience no matter who you are. But as a sighted person living in a sighted world, it’s nearly impossible to imagine what that experience can be like with a visual impairment.
Take, for example, the ubiquitous pedestrian crossing. While many in London are outfitted with tactile pavements to indicate where to cross and a protruding “cone” device at the bottom of the control box, it can easily take a blind person 10 seconds to orient themselves enough to safely enter the street. In that time, dozens of sighted Londoners may have already crossed the street without giving it much thought.(...)

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