Answer:
i was just wondering the samething and i found a web site that tells you why this happens to our eyes and even makes our eyes puffy.
http://www.madsci.org/posts/archives/apr...
good question, idk.
It takes a lot of energy to cry...it strains your face.
wow thats really hard to answer..um maybe because the water hurts them lol jk i have no clue sorry<3
because your tears are salty and you rub your eyes.
when you cry you strain your eyes.
The blood pressure in your eye increases. Visine actually does something to restrict blood flow in the small capillaries (tiny veins) in the white of your eye.
http://www.madsci.org/posts/archives/apr...
That is a website I found with an answer. Really good question.