Anecdotally, after two years of working indoors every day, when I left my tiny apartment only to walk to the store, I had a career change and I had to see an optometrist who prescribed me glasses and insisted on not ignoring this because it's serious enough. I skipped getting glasses and started working outdoors (a high reach telescopic forklift operator). When changing employers only three months later I once again had to see an optometrist (a different one) and I had half of the myopia I had earlier and no recommendation for glasses.
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