"For the visually impaired, navigating city streets or neighborhoods has constant challenges," notes MedicalNewsToday. University of Southern California engineering researchers are "developing a robot vision-based mobility aid for the visually impaired….The need is clear. According to the World Health Organization, 39 million people worldwide are totally blind and a much larger number, 284 million people, are visually impaired. In the United States, according to the American Foundation for the Blind, 109,000 visually impaired people use long white canes to get around. Guide dogs? About 7,000 nationwide." Read more.
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