When you read or stare at a computer, you blink less often resulting in tired eyes.

When you read or stare at a computer, you blink less often resulting in

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Some people are born with two differently colored eyes. This condition

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Brown eyes are blue eyes underneath. Consequently, a person can receive

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The only part of the body that has no blood supply is the cornea of the

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When you were born, you were so powerful for your size that

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