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.

Dry eyes - Symptoms & causes - Mayo Clinic

Diagnostic Tools for Dry Eye Disease

Rite Aid Pharmacy Artificial Tears, Sterile, 0.5 fl oz

Dry Eyes and LASIK — UVA LASIK

Complications of untreated dry eyes

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Eye Dilation: A Guide (How Long It Lasts, Side Effects, More

Blepharitis National Eye Institute

Not a Dry Eye in the House: Latest Treatments

Tears