Discover why yawning leads to watery eyes, exploring the role of facial muscles and lacrimal glands in tear production.

SARS-CoV-2 might target lacrimal glands, causing eyelid swelling due to chronic dacryoadenitis after COVID-19 infection. Comparing lacrimal gland tissues of a patient who had COVID-19 with a control ...

Whether they are tears of pain or tears of joy, the truth about tears is that these tiny, salty droplets are essential for the nutrition, lubrication, and protection of our eyes. Why it matters — ...

A hidden cellular cleanup system may hold the key to healthier tear glands—and new hope for treating dry eye disease.

An estimated 5–15% of people have problems with dry eyes, with symptoms including eye redness, stinging, or burning sensation ...