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.

Tears

8 Surprising Reasons Behind Watery Eyes

Dry Eye Disease (Keratoconjunctivitis Sicca): Practice Essentials

Meet the Eye Microbiome

How the Eyes Work National Eye Institute

Can You Use Artificial Tears Every Day? How Long Do They Keep

How to Treat Computer Vision Syndrome Symptoms - CorneaCare

How the eye works

Dry Eyes - Memorial Eye Institute

Which Drop for Dry Eye?