Sarah is the author of nine novels. The ninth hard cover, Above the East China Sea, was published by Alfred A. Knopf in 2014. The soft cover is being released by Penguin on April 28, 2015.
Tear over-secretion is usually caused by irritation or inflammation of the surface of the eye. This can occur for a number of reasons, including eyelash and eyelid problems or allergies. Oddly, a dry eye problem can sometimes cause watery eyes, because the eye produces excess tears to combat the irritation and dryness.
Watery eyes may also be caused by irritation or injury to the eye, such as a scratch or other damage. Comstock Images/Comstock/Getty Images. Watery eyes can actually be a symptom of dry eyes. In this case, the irritation of dry eyes causes the tear ducts to overcompensate and produce more tears than necessary.