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The World is Becoming More Nearsighted - Neatorama

If you have trouble seeing distant things clearly, or if you have to hold something close to your eyes to see it, you have myopia, also called short-sightedness or nearsightedness. It's pretty common, and becoming more common as time goes by. Around the world, about a third of people are myopic now, and that rate is expected to rise to about 50% by 2050. It's caused by the eyeball growing too much, meaning growing too long from front to back, which causes the focal point of incoming signals to c