Short-sightedness increases with every year in education https://www.independent.co.uk/news/health/short-sighted-glasses-eyes-education-myopia-children-singapore-korea-blindness-a8386071.html …
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Short-sightedness increases with every year in education https://www.independent.co.uk/news/health/short-sighted-glasses-eyes-education-myopia-children-singapore-korea-blindness-a8386071.html …