Big eyes, long eyelashes, watery… Every parent wants the baby to have such beautiful eyes. But if the baby’s eyes are always [watery and tearful], then parents should pay attention, because the baby may suffer from an ophthalmic disease-lacrimal passage obstruction. What is a lacrimal passage obstruction? Before talking about lacrimal passage obstruction, we must first understand how tears come from. Tears are secreted by the lacrimal gland above the outside of the eyeball. Its main function is to keep the eyeball moist and wash the [garbage] on the surface of the eyeball. After tears are secreted by the lacrimal gland, they [trickle] through the surface of the eyeball and finally are discharged through the lacrimal passage. When the lacrimal Read More …