Legal blindness does not mean a person cannot see at all. If the better eye is 20/200 or worse with corrective lenses, they are legally blind. (BTW, there is no such thing as being legally blind without your glasses, which I hear all the time.) Or if their field of vision is very limited, they can be legally blind. In both cases, they may have sufficient vision to navigate comfortably anywhere, but their vision is below standards required for a general driver's license. Their vision is usually adequate to operate a golf cart at golf cart speeds.
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