Lists Of Contents Tagged With "eyes"

  • Like prescription eyeglasses, contact lenses are medical devices that have to be correctly prescribed, carefully fitted, and properly maintained to help a person see clearly and comfortably.

    Contact lenses like our eyes are exposed to environmental pollutants, bacterial contamination, and accumulation of tear film deposits. These, if not removed, may cause discomfort and reduction to vision. This is why contact ...

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  • 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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