When the so-called nasolacrimal duct or lacrimal sac is blocked and there is a bulge on the side of the nose next to the corner of the eye.
Treatment: Clean the eyelids with hot wet gauze, babies, you can try to gently massage the area two to three times a day, using a clean finger, rub the area from the inner corner of the eye to the nose, this can help open the tear duct, it will almost always open on its own when the baby is one year old. If this does not happen, it may be necessary to open it with surgery, with general anesthesia, in adults, the cause of the obstruction must be treated, with which the duct can be reopened if there is not much damage. You may need surgery with the use of small tubes (stents) to open the duct to restore normal tear drainage. Very stubborn and still obstructed cases should be recanalized through dacryocystorhinostomy surgery.