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Health Issues
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Entropion
Issue Description
Medical condition in which the eyelids fold inward. It is very uncomfortable, as the eyelashes rub against the cornea constantly. Entropion is usually caused by genetic factors and may be congenital. Trachoma infection may cause scarring of the inner eyelid, which may cause entropion.
Medical condition in which the eyelids fold inward. It is very uncomfortable, as the eyelashes rub against the cornea constantly. Entropion is usually caused by genetic factors and may be congenital. Trachoma infection may cause scarring of the inner eyelid, which may cause entropion.
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Causes
Congenital
Aging
Scarring
Spasm
Symptoms
Most pet owners notice that the affected eye is partially held shut and has excessive tearing. Both eyes are usually affected simultaneously. Breed related entropion usually affects dogs under 1 year of age.
Diagnosis
A thorough examination of the eye is performed to make certain there are no other painful conditions present that are causing an eyelid spasm. If the eye has no other problem, then a diagnosis of inherited entropion is made.
Treatment
Most dogs with entropion require surgical correction, which involves removing a small portion of the skin to tighten the eyelid. More than one surgical procedure may be necessary. Temporary eyelid tacking may be used in very young dogs. Definitive surgical correction is often delayed until the dog has a more mature head conformation at 6 months of age. If uncorrected, subsequent corneal ulceration, pigmentation, and scarring may produce vision loss.
Symptoms
Most pet owners notice that the affected eye is partially held shut and has excessive tearing. Both eyes are usually affected simultaneously. Breed related entropion usually affects dogs under 1 year of age.
Diagnosis
A thorough examination of the eye is performed to make certain there are no other painful conditions present that are causing an eyelid spasm. If the eye has no other problem, then a diagnosis of inherited entropion is made.
Treatment
Most dogs with entropion require surgical correction, which involves removing a small portion of the skin to tighten the eyelid. More than one surgical procedure may be necessary. Temporary eyelid tacking may be used in very young dogs. Definitive surgical correction is often delayed until the dog has a more mature head conformation at 6 months of age. If uncorrected, subsequent corneal ulceration, pigmentation, and scarring may produce vision loss.
Entropion In Dogs
Entropion has been documented in most dog breeds, although there are some breeds (particularly purebreds) that are more commonly affected than others. These include the Akita, Pug, Chow Chow, Shar Pei, St. Bernard, Cocker Spaniel, Boxer, Springer Spaniel, Labrador Retriever, Cavalier King Charles Spaniel, Neapolitan Mastiff, Bull Mastiff, Great Dane, Irish Setter, Rottweiler, Poodle and particularly Bloodhound. The condition is usually present by six months of age. Entropion can also occur secondary to pain in the eye, scarring of the eyelid, or nerve damage. The upper or lower eyelid can be involved, and one or both eyes may be affected. When entropion occurs in both eyes, this is known as "bilateral entropion."
Upper lid entropion involves the eyelashes rubbing on the eye, but the lower lid usually has no eyelashes, so hair rubs on the eye. Surgical correction is used in more severe cases. A strip of skin and orbicularis oculi muscle are removed parallel to the affected portion of the lid and then the skin is sutured. Shar Peis, who often are affected as young as two or three weeks old, respond well to temporary eyelid tacking. The entropion is often corrected after three to four weeks, and the sutures are removed.
Entropion has been documented in most dog breeds, although there are some breeds (particularly purebreds) that are more commonly affected than others. These include the Akita, Pug, Chow Chow, Shar Pei, St. Bernard, Cocker Spaniel, Boxer, Springer Spaniel, Labrador Retriever, Cavalier King Charles Spaniel, Neapolitan Mastiff, Bull Mastiff, Great Dane, Irish Setter, Rottweiler, Poodle and particularly Bloodhound. The condition is usually present by six months of age. Entropion can also occur secondary to pain in the eye, scarring of the eyelid, or nerve damage. The upper or lower eyelid can be involved, and one or both eyes may be affected. When entropion occurs in both eyes, this is known as "bilateral entropion."
Upper lid entropion involves the eyelashes rubbing on the eye, but the lower lid usually has no eyelashes, so hair rubs on the eye. Surgical correction is used in more severe cases. A strip of skin and orbicularis oculi muscle are removed parallel to the affected portion of the lid and then the skin is sutured. Shar Peis, who often are affected as young as two or three weeks old, respond well to temporary eyelid tacking. The entropion is often corrected after three to four weeks, and the sutures are removed.
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