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Blind and sighted individuals performed comparably well when localizing sounds from about 3 meters away that were directly in front of them or just to either side of center front.
In contrast, blind individuals perceived sounds from the right or left and behind their bodies more accurately than sighted volunteers did.
When a person is legally blind the natural tendency is to rely upon his/her minimal vision, even though a blind person with 10 percent or less vision is unable to complete tasks in the same visual manner as a fully sighted person.
I was taught how to use this cane by a sighted instructor who had undergone extensive sleepshade training.
According to US Army requirements Model 1911's were supposedly sighted for 50 yards.
With these capabilities, he's made a transition from being an expert blind skier, who depended on verbal directions from a sighted guide, to being a competent sighted skier.
Twenty-seven percent of sighted women have a household monthly income of $2,500 or more (from all sources) as do 48 percent of sighted men.
You still are not sighted in, but you are bore sighted just as effectively as done in a gun store with their little gadgets.
They also tested three nearly blind persons, who had some residual vision at the periphery of their gaze; seven sighted people wearing blindfolds; and 29 sighted people without blindfolds.