Why Don't Other Animals Wear Glasses? 

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This is a cool old movie from 1941 about how the eye works:
archive.org/de...
Dive deeper into the physics of vision correction with Michel van Biezen:
• PHYSICS 57 VISION CORR...
Myopia boom in modern times:
www.nature.com/...
Limits to human vision:
www.ncbi.nlm.ni...
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