Flushing Naso-Lacrimyl Ducts
Posted on Monday, October 01 @ 21:11:34 BST by jenvetadmin
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jenvetnurse writes "When the dog owners come to me with the problem of continuous overflow of tears from their pet’s eyes, first of all, I try to ascertain whether the cause is infectious or non-infectious.
Those with infections are put on treatment with suitable antimicrobials either ophthalmic or systemic or both depending upon the trend and severity of infection.
Among the non-infectious problems, many a times the problem is diagnosed as some obstruction in the nasolacrimal duct. In such cases, flushing of nasolacrimal ducts is performed to check the patency of the nasolacrimal ducts as well as remove and flush out the minor obstructing materials.
Normally the tears produced by the lacrimal glands maintain lubrication in the eye and excess of these are flushed into the nose via nasolacrimal duct from the nasolacrimal sac. But when any obstruction occurs in this pathway, these tears are unable to get the free passage to nose and instead start coming out directly out of eyes leading to epiphora.
The cases with minor obstructions respond very well to the common ophthalmic procedure, called flushing of nasolacrimal duct but the major obstructions or imperforate puncta may require surgical correction.
* While dealing with such cases, it is necessary to see properly for other physical or chemical causes that may irritate the eyes and lead to excessive tear production.
Story & Photo by: Dr. Sanjeev Kumari Paul, Veterinary Polyclinic Bhuntar at Mohal, Himachal Pradesh, India (H.P.)
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