The obstruction of the nasolacrimal conduct or dacryostenosis is the result of an incomplete canalization of such a conduct. The clinical manifestations start 2-3 weeks after birth and are characterized by epiphora and muco-purulent discharge. Dacryostenosis may lead to several complications such as acute dacrocystitis, that is a suppurative inflammation characterized by pain, erythema and swollen that can evolve to a lacrimal abscess, pre-septal cellulitis, orbital cellulitis, orbital abscess, cavernous sinus thrombosis, thrombosis of the superior ophthalmic vein and meningitis.