Entropion and Breeds at Risk

Entropion is a defect of the eyelids characterized by the turning inward (inversion) of the edge of the eyelid. As a result of the inversion, the eyelashes constantly rub and irritate the cornea and eyeball itself causing excessive tearing and pain. A surgical procedure can fully correct this condition. Untreated, it can damage vision severely. Although the majority of cases are due to congenital defect, entropion can be caused by injury or a long-standing eye infection. Entropion can be conformational, spastic, or cicatrical. Conformational entropion usually affects both eyes and is believed to be inherited in the Chow Chow, English Bulldog, Irish Setter, Labrador and Golden retrievers, Saint Bernard, Shar Pei, Rottweiler, Great Dane, and Chesapeak Bay Retriever. In some dogs, this form entropion appears at birth, while in others it shows later in life. For this reason, surgery is always delayed until facial maturity is achieved. Spastic entropion is seen in blepharitis, ulcerative keratitis, conjunctivitis, or uveitis. Although treatment of the underlying condition relives the spasm, surgical correction, as for the conformational entropion, may be necessary.3

References

  1. Amy Christiansen. A New Owner's Guide To Bernese Mountain Dogs
  2. Read RA, Broun HC. Entropion correction in dogs and cats using a combination Hotz-Celsus and lateral eyelid wedge resection
  3. Slatter's Fundamentals of Veterinary Ophthalmology. David J. Maggs, Paul E. Miller, Ron Ofri, Douglas H. Slatter





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