Stephen J. Schueler, M.D.

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Nasolacrimal Stenosis Anatomy

To better understand nasolacrimal stenosis, it helps to understand the anatomy of lacrimal system.

The flow of tears in the eye normally moves from the temple, toward the nose. Near the nose, the tears flow into a small opening, called the nasolacrimal duct. Tears drain into the nasolacrimal duct and then into the nose. Normally, excessive tears cause a runny nose.

Last Updated: Mar 26, 2009 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Nasolacrimal Stenosis References
  1. Clark RA. Dilation probing as primary treatment for congenital nasolacrimal duct obstruction. J AAPOS. 2002 Dec;6(6):364-7. [12506277]
  2. Kashkouli MB, Kempster RC, Galloway GD, Beigi B. Monocanalicular versus bicanalicular silicone intubation for nasolacrimal duct stenosis in adults. Ophthal Plast Reconstr Surg. 2005 Mar;21(2):142-7. [15778670]
  3. Lueder GT. Balloon catheter dilation for treatment of older children with nasolacrimal duct obstruction. Arch Ophthalmol. 2002 Dec;120(12):1685-8. [12470143]
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