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The eyeball of a human weighs approximately 28 grams
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All babies are colour blind at birth
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20/20 vision simply means that you have normal vision -
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Eyes are thought to have first developed in animals, in a very basic form, around 550 million years ago
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When you blink, you shut your eyes for 0.3 seconds. That’s a total of 30 minutes each day
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Myth: Benjamin Franklin invented bifocals.
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The muscles that move the eye are the strongest relative to their size in the body.
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The average person blinks 12 times per minute – about 10,000 blinks on an average day.
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Why it is important to wear protective #sports #eyewear http://ow.ly/LfUHU
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