开云体育

Veering off course seems to be a problem for many cane users.? There is no easy solution.? Some exceptional blind cane users claim they can guide themselves in a straight line by using echolocation like a bat, basically flicking their tongues back and forthe like a freaking reptile to sense environmental vibrations to guide them.? A blind O&M instructor named Dan Kish has tried to popularize the use of echolocation by blind pedestrians, but there is a lot of controversy over whether this technique really works or is just a bunch of malarkey. And of course, echolocation would be totally useless for someone who is also deaf or hearing impaired in addition to being blind, and sadly, most O&M instructors have no clue how to train a blind client who is also hearing impaired and do not understand that wearing hearing aids is not a panacea. Some busy intersections in major cities now have audible traffic signals that make it a little easier for blind pedestrians to guide themselves in a straight line from one side of the street to the other, but they are not always kept in working order and they tend to be few and far between, and incredibly, their installation has been ? opposed by the largest, so-called blindness advocacy organization in the US. ??

Gerald