The lacrimal sac is between the eye and the nose. It funnels tears into the nasal cavity through the nasolacrimal duct. If the nasolacrimal duct is blocked, it can cause tearing (epiphora). Tearing ...

The tear duct is designed to drain excess tears from the eye into the nose. But in bubs, it's ridiculously narrow, so it can easily block up with dust, dirt, and the natural oils from their tears.

Blocked tear duct You have a tear gland above each eyeball, explains WebMD. The site continued: “They make the fluid that gets wiped across your eye when you blink.

In patients with a blockage of the tear duct, the risk rose by 22.1% for every 5-year increase in age (Exp [B], 1.221; P = .002); however, no association was observed between increased age and the ...