Health Tip: Too Many Tears?

(HealthDay News) -- Watery eyes are an irritating symptom of a variety of conditions.

The U.S. National Library of Medicine lists these common causes of watery eyes:

• An allergy to particles in the air, such as dust, dirt or dander.

• An infection of the eye.

• A blocked tear duct.

• Eyelids or eyelashes that turn inward and irritate the eye.

• A foreign substance in the eye.

• Temporary watering of the eyes can sometimes accompany laughing, yawning, straining the eyes, or vomiting.