Your eyes start to develop just two weeks after conception.

Your eyes start to develop just two weeks after conception

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You blink about 12 times every minute

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Red-eye in photos is caused by light from the flash bouncing off the

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Only 1/6 of the human eyeball is exposed

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The first blue-eyed person is said to have lived 6,000-10,000 years ago

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The cells in your eye come in different shapes. Rod-shaped cells allow