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The human eye can distinguish between 500 shades of grey |
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The human eye can detect 10 million different colours |
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The clear cornea at the front of the eye is the only living tissue in the human body that does not contain any blood vessels |
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The eye is the only part of the human body that can function at 100% ability at any moment without rest |
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Eyes are composed of more than 2 million working parts |
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Under the right conditions the eye can discern candle light at a distance of 14 miles |
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Men can read smaller print than women (women can hear better!) |
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Eyes are the most complex organ apart from your brain |
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It is impossible to sneeze with your eyes open |
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Smoking reduces your night vision |
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Your visual field increases by 10% in the dark because your pupils are larger |
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If you go blind in one eye you only loose around 1/5 of your total vision |
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The average blink lasts 300-400 milliseconds |
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The adult eye contains about 12 million light sensitive cells |
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Your eyes blink over 10 million times a year |
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Eyes contribute 85% towards your total knowledge |
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80% of our memories are made up of visual images |
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In a normal life span your eyes will see almost 24 million images of the world around you |
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Your eyelashes have an average life span of 5 months |
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Your eyes will never wear out |
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We shed over 30 million eyelashes over our lifetime |
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The lens inside the eye continues to grow throughout life |
