How did people cope with bad eyesight before glasses were invented?

by pukkj

I read on Wikipedia that eyeglasses were not invented until the 13th century and then only for the rich at first. What jobs did people with bad eyesight before these times have? Were they outcasts because of their limitations? How did they deal with it every day? I cant see anything clearly without glasses thats more than a meter away from me so I have to imagine it had to be really difficult for them.

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