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, ...

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 ...

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 ...