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TopicHow did cavemen and shit see without glasses?
weapon_d00d816
09/12/17 3:09:12 PM
#13:


Reading things (or just focusing on close objects for long periods of time) contributes to and expediates degradation of eyesight. Most people can get by without corrective lenses anyway, especially if they've never had them so they're used to their poor vision. The main reason people get them is for reading things from a distance (classroom boards, road signs, etc). As odd as it sounds, it probably wasn't as important back then to have perfect vision.

There's also the fact that people didn't always live long enough for it to get so bad as to be debilitating.
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