There are places in Africa where, if you don’t have the right melanin content (too much or not enough) or bone structure in your face, even though you define yourself as “black”, you might get a machete in the head because you look like you came from the wrong tribe.
Don’t know if Ghana is one of those places or not, but they do exist.
Check this out:
https://en.wikipedia.org/wiki/Disability_in_Ghana
If you are born with a disability they believe you have been possessed by evil spirits.
Stevie should have a good time convincing the locals that his blindness happened shortly after his birth. I am sure they will take his word for it-—Not!