Tears do more than express emotion, they keep your eyes clean, moist, and healthy. Normally, they drain through small tubes near the nose, but if these tubes become blocked, it can result in watery, ...

Tear ducts are structures that drain tears from your eye and into your nose. They’re also known as nasolacrimal ducts. If these ducts become clogged, it’s called a blocked tear duct or nasolacrimal ...

If a tear duct becomes blocked, tears build up and irritate the eyes. This irritation causes painful swelling, makes the eyes appear continuously watery, and increases the risk of infection. When the ...

Dear Doctor: I’ve got a blocked tear duct that I’m told requires surgery. My eye weeps, but it isn’t painful. However, it has become infected once. What can you tell me about this condition, and what ...

Severe, chronic dry eye or dry eye disease (DED) can persist for a long time and may resist standard treatments. It can happen when tear production is low or when tear flow is blocked. Severe dry eye ...