Lists Of Contents Tagged With "tears"

  • How Do Our Eyes Create Tears

    7 years, 9 months ago

    It would be more accurate to say that our bodies create tears for our eyes. The human eye itself is protected from outside irritants by a tear film, which is actually three layers thick. The outermost lipid layer is oily, which helps keep tears to remain in the eye. The middle aqueous layer is watery, but also contains chemicals which ...

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