Watery eyes are usually a sign of another issue or condition that’s affecting your eyes or tear system. Some of the most common causes of epiphora include:
- Allergies.
- Blepharitis.
- Blocked tear ducts (nasolacrimal duct obstruction).
- Dry eyes.
- Styes.
- Chalazions.
- Entropion.
Eye injuries can also cause epiphora, including:
- Environmental irritants like smoke or air pollution.
- Scratched corneas (corneal abrasions).
- Dirt, debris, chemicals or any foreign object that touches your eye for too long.
Infections like pink eye (conjunctivitis) or sinus infections (sinusitis) can cause watery eyes, as well.