Learn more about pathologists, doctors who look at bodies and body tissues. There work includes numerous specialities.

When you blink, a layer of tears—called tear film—covers the eyes' surface. The tear film has these three layers: Meibomian gland dysfunction occurs when the glands on the edge of your eyelids (near ...

Dry eye affects up to 16 million people in the US, and new treatments aim to mitigate the symptoms that can disrupt quality of life in these patients.