What causes excessive tears in the baby's eyes?

Q: My 9 month old daughter has excessive tears in her left eye. This condition is there since last 2 months. Is it a serious matter? Please advise.

A:Kindly consult an eye specialist to find the cause. Common causes of watering are blocked naso-lacrimal duct, allergies, blocked nose, mild infections, foreign particle in the lids, or infection spread by surma or kajal.