Entropion - Donkey
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Entropion (Image courtesy of The Donkey Sanctuary)
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Signalment
Entropion is commonly found in old donkeys as a result of enophthalmos. In a new-born foal, congenital entropion will cause ocular irritation within days.
Diagnosis
- Close examination is needed to see if the inversion of the eyelid is causing the eyelashes to traumatise the cornea
- Fluorescein staining is essential to check for corneal ulceration
Treatment
- Most cases can be resolved by simply everting the eyelid, possibly on repeated occasions
- If manual eversion fails, mechanical eversion can be achieved by injecting saline subcutaneously.
- Temporary placement of 3/0 silk in a vertical mattress suture can be effective
- Severe cases may need surgical correction
References
- Grove, V. (2008) Conditions of the eye In Svendsen, E.D., Duncan, J. and Hadrill, D. (2008) The Professional Handbook of the Donkey, 4th edition, Whittet Books, Chapter 11
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