Equine ocular setariasis and its management
Journal Title: Journal of Experimental Biology and Agricultural Sciences - Year 2016, Vol 4, Issue 0
Abstract
Ocular setariasis is a common vision threatening ophthalmic condition in equine resulting from ectopic parasitism by Setaria digitata, Setaria equina and Thelazia lacrymalis. The disease occurs mostly in summer and autumn seasons and it displays signs of lacrimation, photophobia, corneal opacity, conjunctivitis and loss of vision. Close inspection of the eye reveals a moving worm in the anterior chamber of the eye. B-mode (brightness mode) ultrasonography helps in the diagnosis in case of complete opacity. The best treatment is the surgical removal of the parasite under regional/ general anesthesia. Needle paracentesis at 3 O' clock and nick incision at 12 O' clock position are most commonly used surgical procedure. Both the techniques give good results. A slightly modified technique of using a 21 gauge needle attached with the syringe to aspirate the worm into the syringe also gives satisfactory results. In medicinal therapy ivermectin is the most advocated drug for ocular equine setariasis, but long term tying of medicinal should be avoided and surgery should be advocated. Corneal opacity is the most common post operative complication reported. Post surgical use of placentrex has also been advocated to enhance healing and to resolve corneal opacity. The present review is aimed at etiology, diagnosis and management of ocular setariasis in equine species.
Authors and Affiliations
Malik Abu Rafee, Amarpal
Keywords
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- EP ID EP428162
- DOI 10.18006/2016.4(Spl-4-EHIDZ).S139.S143
- Views 61
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