Catalog

Functional Nasolacrimal duct obstruction

No MMS code

Link to WHO Definition

Functional Nasolacrimal duct obstruction – http://id.who.int/icd/entity/70059972

This is the functional obstruction of nasolacrimal duct and may be either congenital or acquired. Obstruction of the nasolacrimal duct leads to the excess overflow of tears called epiphora.