Ok I get we all look at small letters and images on screens and paper these days. Is this why in the last 150 years or so millions and millions of humans need spectacles? Is it because we are meant to be looking at things from a distance rather than nearby so our eyes haven’t caught up?
In: Biology
You don’t need a very good eyesight to survive in an agricultural society. Yes, it’s good to have good eyesight when sewing (and it’s one of the most common complaints we have of bad eyesight from pre-industrial times) but in general only the worst level of vision impairment will cause difficulties when working the land or hunting.
If it had been 500 years ago I wouldn’t have needed glasses, but I’ve become increasingly unable to read fine print or quickly read cluttered signs etc. That’s a handicap today, but I’d manage just fine without my glasses if I had to navigate a forest, forage, harvest a field etc.
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