Congenital impatency of the nasolacrimal duct.

摘要: FROM a perusal of the literature, it would seem that congenital impatency nasolacrimal duct is much rarer anomaly than our experience has led us to believe. In order arrive at figures regarding incidence this condition and learn best method treating it, present study was undertaken. Relatively few papers have appeared in literature dealing with duct, almost without exception been described under title "congenital dacryocystitis." This term misnomer, since underlying not an inflammation lacrimal sac but, rather, dacryocystitis occurring as result stasis. Another poor appearing dacryostenosis, which implies simply narrowing duct. should be used, stenosis