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Entropion is a medical condition
Medical condition

A medical condition is a general term used to describe an observation made that can have an impact on the health of an individual.The term is sometimes used when a study encompasses a diverse variety of clinical entities, such as in the evaluation of generalist care....
 in which the eyelid
Eyelid

An eyelid is a thin fold of skin that covers and protects an eye. With the exception of the prepuce and the labia minora, it has the thinnest skin of the whole body....
s fold inward. It is very uncomfortable, as the eyelash
Eyelash

An eyelash or simply lash is one of the hairs that grow at the edge of the eyelid. Eyelashes protect the eye from debris and perform some of the same function as vibrissae do on a cat or a mouse in the sense that they are sensitive to being touched, thus providing a warning that an object is near the eye ....
es rub against the cornea
Cornea

The cornea is the transparency front part of the eye that covers the Iris , pupil, and anterior chamber. Together with the cilliary muscles, the cornea reflects light, and as a result helps the eye to dilate, accounting for approximately two-thirds of the eye's total optical power....
 constantly. Entropion is usually caused by genetic
Genetics

Genetics , a discipline of biology, is the science of heredity and Genetic variation in living organisms. The fact that living things inherit traits from their parents has been used since prehistoric times to improve crop plants and animals through selective breeding....
 factors and may be congenital. Trachoma
Trachoma

Trachoma is an infectious eye disease, and the leading cause of the world's infectious blindness. Globally, 84 million people suffer from active infection and nearly 8 million people are visually impaired as a result of this disease....
 infection may cause scar
Scar

Scars are areas of fibrous biological tissue that replace normal skin after injury. A scar results from the biologic process of wound repair in the skin and other biological tissue of the body....
ring of the inner eyelid, which may cause entropion.

toms of entropion include:

tment is a simple surgery
Surgery

Surgery is a medical specialty that uses operative manual and instrumental techniques on a patient to investigate and/or treat a pathological condition such as disease or injury, to help improve bodily function or appearance, or sometimes for some other reason....
 in which excess skin of the outer lids is removed.






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Encyclopedia


Entropion is a medical condition
Medical condition

A medical condition is a general term used to describe an observation made that can have an impact on the health of an individual.The term is sometimes used when a study encompasses a diverse variety of clinical entities, such as in the evaluation of generalist care....
 in which the eyelid
Eyelid

An eyelid is a thin fold of skin that covers and protects an eye. With the exception of the prepuce and the labia minora, it has the thinnest skin of the whole body....
s fold inward. It is very uncomfortable, as the eyelash
Eyelash

An eyelash or simply lash is one of the hairs that grow at the edge of the eyelid. Eyelashes protect the eye from debris and perform some of the same function as vibrissae do on a cat or a mouse in the sense that they are sensitive to being touched, thus providing a warning that an object is near the eye ....
es rub against the cornea
Cornea

The cornea is the transparency front part of the eye that covers the Iris , pupil, and anterior chamber. Together with the cilliary muscles, the cornea reflects light, and as a result helps the eye to dilate, accounting for approximately two-thirds of the eye's total optical power....
 constantly. Entropion is usually caused by genetic
Genetics

Genetics , a discipline of biology, is the science of heredity and Genetic variation in living organisms. The fact that living things inherit traits from their parents has been used since prehistoric times to improve crop plants and animals through selective breeding....
 factors and may be congenital. Trachoma
Trachoma

Trachoma is an infectious eye disease, and the leading cause of the world's infectious blindness. Globally, 84 million people suffer from active infection and nearly 8 million people are visually impaired as a result of this disease....
 infection may cause scar
Scar

Scars are areas of fibrous biological tissue that replace normal skin after injury. A scar results from the biologic process of wound repair in the skin and other biological tissue of the body....
ring of the inner eyelid, which may cause entropion.

Symptoms

Symptoms of entropion include:
  • Redness and pain
    Pain

    Pain, in the sense of physical pain, is a typical sensory experience that may be described as the unpleasant awareness of a noxious stimulus or bodily harm....
     around the eye
  • Sensitivity
    Sensitivity (human)

    The sensitivity or insensitivity of a human, often considered with regard to a particular kind of stimulation, is the strength of the feeling it results in, in comparison with the strength of the stimulus....
     to light
    Light

    Light, or visible light, is electromagnetic radiation of a wavelength that is Visible spectrum to the human eye , or up to 380?750 nm. In the broader field of physics, light is sometimes used to refer to electromagnetic radiation of all wavelengths, whether visible or not....
     and wind
    WIND

    The Global Geospace Science WIND satellite is a NASA science spacecraft launched at 04:31:00 EST on November 1, 1994 from launch pad 17B at Cape Canaveral Air Force Station in Merritt_Island%2C_Florida, Florida aboard a McDonnell Douglas Delta II 7925-10 rocket....
  • Sagging skin
    Skin

    The skin is the outer covering of the body, also known as the epidermis. It is the largest organ of the integumentary system made up of multiple layers of epithelial biological tissue, and guards the underlying muscles, bones, ligaments and organ s....
     around the eye
  • Excessive tear
    Tears

    Tears are the liquid product of a process of lacrimation to clean and lubricate the eyes. The word lacrimation may also be used in a medical or literary sense to refer to crying....
    ing
  • Decreased vision
    Visual perception

    Visual perception is the ability to interpret information from visible light reaching the eye. The resulting perception is also known as eyesight, sight or vision....
    , especially if the cornea
    Cornea

    The cornea is the transparency front part of the eye that covers the Iris , pupil, and anterior chamber. Together with the cilliary muscles, the cornea reflects light, and as a result helps the eye to dilate, accounting for approximately two-thirds of the eye's total optical power....
     is damaged


Treatment

Treatment is a simple surgery
Surgery

Surgery is a medical specialty that uses operative manual and instrumental techniques on a patient to investigate and/or treat a pathological condition such as disease or injury, to help improve bodily function or appearance, or sometimes for some other reason....
 in which excess skin of the outer lids is removed. Prognosis is excellent if surgery is performed before the cornea is damaged.

Causes

  • Congenital
  • Aging
  • Scarring
  • Spasm


Entropion in dogs

Entropion has been documented in most dog
Dog

The dog is a domesticated subspecies of the Gray Wolf, a member of the Canidae family of the order Carnivora. The term is used for both feral and pet varieties....
 breeds, although there are some breeds (particularly purebred
Purebred

Purebreds, also called purebreeds, are cultivated varieties or cultivars of an animal species, achieved through the process of selective breeding....
s) that are more commonly affected than others. These include the Akita
Akita Inu

The is a breed of large dog originating in Japan, named for Akita Prefecture, where it is thought to have originated. It is sometimes called the Akita-ken based on the Sino-Japanese vocabulary of the same kanji....
, Pug
Pug

The Pug is a small dog breed of dog with a wrinkly, short muzzled face . The word "pug" may have come from the Old English pugg or "puge", which were affectionate terms for a playful little devil or monkey....
, Chow Chow
Chow Chow

Chow Chow, or Chow, is a dog breed of dog that was first developed in Mongolia about 4,000 years ago and was later introduced into China, where it is referred to as Songshi Quan , which literally means "Foo Dog."...
, Shar Pei
Shar Pei

The Shar Pei or Chinese Shar-Pei is a dog breed of dog known for its distinctive features of deep wrinkles and a blue-black tongue. The breed derives from China....
, St. Bernard
St. Bernard (dog)

The St. Bernard Dog is a very large dog breed of dog, a working dog from the Swiss Alps, originally bred for Search and rescue dog. The breed has become famous through tales of alpine rescues, as well as for its enormous size....
, Cocker Spaniel
Cocker Spaniel

Cocker Spaniel refers to two different breeds of dogs of the Spaniel dog type, both of which are commonly called simply Cocker Spaniel in their countries of origin....
, Boxer
Boxer (dog)

Developed in Germany, the Boxer is a dog breed of stocky, medium-sized, short-haired dog. The coat is smooth and fawn or brindled, with or without white markings....
, Springer Spaniel
Springer Spaniel

Springer Spaniel refers to two different breeds of dogs, both of which are commonly called simply Springer Spaniel:*English Springer Spaniel...
, Labrador Retriever
Labrador Retriever

The Labrador Retriever is one of several kinds of retriever, a type of gun dog. The Labrador is the most popular dog breed of dog in the world, and is by a large margin the most popular breed by registration in the United States ,...
, Cavalier King Charles Spaniel
Cavalier King Charles Spaniel

The Cavalier King Charles Spaniel is a small dog breed of dog of Spaniel Dog type, usually considered one of the toy dog breeds. It is a small spaniel with a substantial silky coat of moderate length, often with a mild wave, and long ears....
, Neapolitan Mastiff
Neapolitan Mastiff

The Neapolitan Mastiff, Italian Mastiff, Mastino or Mastini is a large, ancient dog dog breed. This massive breed is often used as a guard dog and defender of family and property due to the protective instincts and their fearsome appearance....
, Bull Mastiff, Great Dane
Great Dane

The Great Dane, Danish Hound, Deutsche Dogge, Boarhound, or German Mastiff is a dog breed of domestic dog known for its giant size and gentle personality....
, Irish Setter
Irish Setter

The Irish Setter , also known as the Red Setter, is a dog breed of Gun dog and family dog. The term Irish Setter is commonly used to encompass the Show-bred dog recognized by the AKC as well as the field-bred Red Setter recognized by the Field Dog Stud Book....
, Rottweiler
Rottweiler

The Rottweiler, or Rottweil Metzgerhund , is a "medium to large size, stalwart dog" breed originating in Germany as a herding dog. It is a hardy and very intelligent breed....
, Poodle
Poodle

akcgroup = Standard and Miniature: Non-Sporting; Toy: Toy| akcstd = http://www.akc.org/breeds/poodle/index.cfm| ankcgroup = Group 7 | ankcstd = http://www.ankc.aust.com/poodstan.html Standard], , ])...
 and particularly Bloodhound
Bloodhound

A bloodhound is a large dog breed of dog bred for the specific purpose of tracking human beings. Consequently, it is often used by authorities to track escaped prisoners or missing persons....
. The condition is usually present by six months of age. Entropion can also occur secondary to pain in the eye
Eye

Eyes are Organ that detect light, and send signals along the optic nerve to the visual system and other areas of the brain. Complex optical systems with resolving power have come in ten fundamentally different forms, and 96% of animal species possess a complex optical system....
, 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 eyelash
Eyelash

An eyelash or simply lash is one of the hairs that grow at the edge of the eyelid. Eyelashes protect the eye from debris and perform some of the same function as vibrissae do on a cat or a mouse in the sense that they are sensitive to being touched, thus providing a warning that an object is near the eye ....
es rubbing on the eye, but the lower lid usually has no eyelashes, so hair rubs on the eye. Surgical
Surgery

Surgery is a medical specialty that uses operative manual and instrumental techniques on a patient to investigate and/or treat a pathological condition such as disease or injury, to help improve bodily function or appearance, or sometimes for some other reason....
 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 Pei
Shar Pei

The Shar Pei or Chinese Shar-Pei is a dog breed of dog known for its distinctive features of deep wrinkles and a blue-black tongue. The breed derives from China....
s, 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.

See also

  • Ectropion
    Ectropion

    Ectropion is a medical condition in which the lower eyelid turns outwards. It is one of the notable aspects of newborns exhibiting Harlequin type ichthyosis....
  • List of eye diseases and disorders
    List of eye diseases and disorders

    This is a partial list of human eye diseases and disorders.The World Health Organization publishes a classification of known diseases and injuries called the ICD or ICD....


External links

Humans