Abstract:As reported by the World Health Organization, an estimated 253 million live with visual impairment that cannot be corrected with glasses or contact lenses. It's necessary to bring awareness and understanding of the challenges blind people face and help to motivate research into new technology to answer those questions. This chapter starts to identify the challenges people with visual disabilities face in their life. The problem of navigation and orientation as well as the different possibilities to deal with t… Show more
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