Nasolacrimal duct: catheterization - normal distal puncta in Horses (Equis) | Vetlexicon
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Nasolacrimal duct: catheterization – normal distal puncta

ISSN 2398-2977

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Nasolacrimal duct: catheterization - normal distal puncta

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  1. The distal nasal puncta of the nasolacrimal system has been catheterised with a small diameter sterile dog catheter to test for patency by flushing sterile water retrograde.
  2. Note the position of the puncta inside the nostril just adjacent to the pigmented/non-pigmented nasal mucosa boundary.
  3. The ventral nasal meatus is seen just to the left of the puncta.