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bzipitidoo writes:

New research led by scientists at Cardiff University and the University of Bristol found that people who spend more time in education are more likely to develop near-sightedness. Specifically, researchers found that for every year a person spends in education — where they are likely to spend more time reading and typing on computers — there is a rise in myopic refractive error of 0.27 diopters, a diopter being a standard measure of the optical power of a lens. An estimated 68,000 participants were examined using the "Mendelian randomization" (MR), approach which is often used to examine causal effect of a disease in observational studies.

http://www.cardiff.ac.uk/news/view/1199570-study-suggests-education-causes-short-sightedness [cardiff.ac.uk]

https://www.salon.com/2018/06/07/theres-a-scientific-reason-nerds-have-bad-eyesight/ [salon.com]

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