is one of the common health problems in newborns, so it affects an estimated one third of children at birth, This condition occurs as a result of the incomplete growth of their lacrimal drainage system. As for adult people, a blockage of the tear duct can occur as a result of an injury or infection in the eye, or the growth of a tumor in it. The lacrimal drainage system loses the ability to get rid of excess tears in the event of a blocked tear duct, which leads to eye irritation and permanent tears, and most cases of tear duct obstruction in newborns disappear during the first year without the need for treatment or by following some simple methods of treatment, but for adults, most cases of tear duct obstruction can be treated, and treatment depends on the cause that caused this condition.
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