Congenital nasolacrimal duct obstruction.

摘要

Congenital nasolacrimal duct obstruction is a common problem among infants. Its incidence and natural course are reviewed. Probing techniques and various back-up procedures for failed probings are discussed. Additional suggestions are made about the management of lacrimal duct obstruction with congenital cacryocystocele and nasal dacryocele.