80% of vision problems worldwide are avoidable or even curable.

80% of vision problems worldwide are avoidable or even curable

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You actually see with your brain, not your eyes. Our eyes function like

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Biologists believe that breathing through the mouth causes the bladder

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The average blink lasts for about 1/10th of a second

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If you go blind in one eye you only lose about one fifth of your vision

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A healthy (non-colorblind) human eye can distinguish between 500 shades