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Sources:
https://www.aao.org/eye-health/tips-prevention/five-vision-myths
http://www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/myopia?sso=y
http://www.bbc.com/future/story/20140513-do-glasses-weaken-your-eyesight
https://www.ncbi.nlm.nih.gov/pubmed/9243655
https://www.ncbi.nlm.nih.gov/pubmed/12445849
https://www.ncbi.nlm.nih.gov/pubmed/24674576
https://www.newscientist.com/article/dn3082-eye-correction-is-seriously-short-sighted/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4087177/
http://www.mayoclinic.org/diseases-conditions/eyestrain/basics/treatment/con-20032649
http://hyperphysics.phy-astr.gsu.edu/hbase/vision/eyedef.html#c1