The nerve starts a process that makes one eye watery and red.

VOA: special.2010.03.30

It grows in watery forests in a number of areas.

VOA: special.2009.08.25

"I see a lot more children who are coming into the office either because their parents have noticed that they have headaches or red or watery eyes or discomfort, or because their prescription, their near-sightedness, appears to be increasing at a fast rate and they're worried."

VOA: special.2011.08.01

Researchers also found that oxygen could stop the headache pain and eliminate other symptoms associated with cluster headaches, such as red,swollen and watery eyes.

VOA: standard.2009.12.17