How Tears Work National Eye Institute

Tears keep your eyes wet and smooth, and they help focus light so you can see clearly. They also protect your eyes from infections and irritating things, like dirt and dust. Find out what tears are made of and how they protect your eyes.

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Different Types of Tears, Weep Eye, tears

For crying out loud: Dutch scientists grow human tear glands, tears

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Crying tears for improving vision, eyesight, relieving pain and seeing the ultimate truth. - The BioMedical Institute of Yoga & Meditation, tears meaning

Tears Definition, Dictionary Collection

Retinal Tear - The Retina Group

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Tears Definition, Dictionary Collection

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