It is normal that darling much noise but no action is belong

Ask: My son 9 months. He from be born to now, there is tear commonly when crying. When crying particularly badly only, ability drops a tear. Is this kind of circumstance excuse me normal?

Beijing Ms. Zhang

Answer: The person's tear is the lubricant of a kind of sample that secretes by lachrymal gland, when the person is sober, tear is secreted ceaselessly, with maintaining eyeball wet. But because eyeball is to expose in air, so tear can be evaporated very quickly. Evaporate to prevent tear, still by eyelid board gland secretes a kind of oily liquid, enclothe in eyeball surface layer, with reducing tear evaporate. The person's tear secretes basically suffer effect of two kinds of elements: It is to ache exciting meeting makes tear is secreted increase, if have sex of the eyewinker inside conjunctivitis, keratitis, eye, light produced by electricity ophthalmic wait, tear meets a large number of pouring out of. 2 it is emotional stimulation, if encounter grief, also can increase tear to secrete.

Your son sheds tear rarely, do not explain the eye is amiss certainly. Because if be xerophthalmia, besides without tear, the eye still can have aglow, be afraid of smooth, scratchy symptom, because the eye is uncomfortable,the child is met and knead with the hand ceaselessly. You can observe carefully at ordinary times, see the child whether have these symptoms, if do not have, not be clammy, need not worry.