How We See
How We're Wired
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The Effects of Short-Sightedness on Vision
Being long-sighted means you can see far away things clearly, but struggle close up. In the last 50 years or 60 years, short-sightedness tripled in Europe and doubled in Asia. By 2050, around 5 billion people on the world will be meopic. That is two-third of the world. If people have large-end and 60-year-old tree, half of them will have visual impairment.
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