Jan 29, 2018 · Nasolacrimal stents are small diameter tubes placed within the nasolacrimal system to maintain patency. The first described stent was made of silver wire and used by …

Apr 27, 2015 · This video demonstrates a probing and stenting of a child with congenital nasolacrimal duct obstruction. A punctal dilator is introduced into the lower punctum. And the …

May 13, 2020 · The nasolacrimal duct opens into the inferior nasal meatus which is partially covered by another mucosal fold known as the valve of Hasner [4]. Congenital nasolacrimal …

Jan 19, 2012 · Diagnosis: Bilateral Nasolacrimal Duct Obstruction related to high dose I-131 therapy. Discussion . Though primary acquired nasolacrimal duct obstruction (PANDO) …

Oct 22, 2015 · Copious discharge was noted with compression of the nasolacrimal sac, so dacryocystitis secondary to nasolacrimal duct obstruction (NLDO) was suspected. A …

Jan 12, 2017 · A lacrimal cannula on a 3 cc syringe filled with saline is then used to evaluate the patency of the nasolacrimal duct. The lacrimal cannula is introduced into the canaliculus …

Sep 1, 2015 · Externally, the retrieval is demonstrated by placing the hook along the inferior portion of the lateral nasal wall where the stent is engage and retrieved. The endoscope is …

Apr 27, 2015 · This video demonstrates an inferior turbinate infracture which is useful in cases of congenital nasolacrimal duct obstruction in addition to probing and stenting when there is not a …

Apr 27, 2015 · The upper punctum is then dilated and the stent is again placed through the punctum and canaliculus where a hard stop is palpated, and then the stent is placed down the …

Sep 1, 2015 · This video demonstrates retrieval of a Crawford stent with a hook as well as a groove director. The patient has a history of a congenital nasolacrimal duct obstruction. The …