It is a reflax action that causes our eyes to be closed while sneezing. Though there is a folk lore about sneezing and closing the eyes to protect particles that are out with our expelled air from entering the eyes while sneezing, but actually it is not true.
(Sneezing is the forceful expulsion of air through the mouth.)

Answered by MRIDUL BORA , an ibibo Master, at 1:07 AM on May 06, 2008

It not clear , but scientists theorize that we close our eyes to protect them. We may be protecting our eyes from microorganisms and particles from our sneezes," said Dr. Bonnie Henderson, director of comprehensive ophthalmology at the Massachusetts Eye and Ear Infirmary. But it could also be simply because a sneeze is a kind of bodywide reflex in which a lot of muscles contract, not just in the nose and throat but also those in the diaphragm, the abdomen, thighs, back, even sphincters

Answered by Smarty , an ibibo Master, at 10:57 PM on May 05, 2008

it's due to involuntary contraction of external muscles of the eyeballs and face.

Answered by Dr Subarna , an ibibo Citizen, at 7:40 PM on May 05, 2008

NATURAL PHENOMENA 4 PROTECTING OUR EYES.

Answered by abhay thakur , an ibibo Citizen, at 4:05 PM on May 05, 2008

sushant Actually, no one really knows.

''It is unclear, but scientists theorize that we close our eyes to protect them. We may be protecting our eyes from microorganisms and particles from our sneezes," said Dr. Bonnie Henderson, director of comprehensive ophthalmology at the Massachusetts Eye and Ear Infirmary. But it could also be simply because a sneeze is a kind of bodywide reflex in which a lot of muscles contract, not just in the nose and throat but also those in the diaphragm, the abdomen, thighs, back, even sphincters (which is why some people with stress incontinence may urinate slightly when they sneeze
for more inf check source http://www.answerbag.com/q_view/729 59

Answered by sanjay , an ibibo Guru, at 12:08 PM on May 05, 2008

dear sushant!
It is an involuntary action.

Answered by cuty , an ibibo Specialist, at 8:16 AM on May 05, 2008

it may or may not be i had not bothered too much about it ever

Answered by rajesh goyl , an ibibo Advisor, at 7:00 AM on May 05, 2008

Actually, no one really knows.

''It is unclear, but scientists theorize that we close our eyes to protect them. We may be protecting our eyes from microorganisms and particles from our sneezes," said Dr. Bonnie Henderson, director of comprehensive ophthalmology at the Massachusetts Eye and Ear Infirmary. But it could also be simply because a sneeze is a kind of bodywide reflex in which a lot of muscles contract, not just in the nose and throat but also those in the diaphragm, the abdomen, thighs, back, even sphincters (which is why some people with stress incontinence may urinate slightly when they sneeze).

Answered by Rekha , an ibibo Advisor, at 10:27 PM on May 04, 2008