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A black eye (or "shiner") occurs when fluids collect in the tissues surrounding the eye after an injury near the eye.
Technically speaking, a black eye is a bruise or discoloration caused by broken blood vessels under the surface of the skin. Like other bruises, a black eye typically is accompanied by swelling.
Similar to bruises elsewhere on the body, a black eye usually is caused by blunt force trauma — a non-penetrating injury caused by impact. But there can be other causes as well.
A black eye can affect the area under the eye, or it can surround the eye completely.
The clinical term for a black eye is periorbital hematoma. Though more difficult to pronounce, this medical term more accurately describes the condition — it is a collection of blood (hematoma) located in the tissues around, not inside, the eye (periorbital).
Any blunt force trauma to the eye socket or areas around it can damage small blood vessels under the skin and cause them to leak, leading to the development of a black eye or "shiner."
(The origin and meaning of the slang term "shiner" to describe a black eye is unknown. Some dictionaries say the term originated around 1904. It might have developed because the skin overlying a black eye sometimes can appear shiny. Another theory is that a black eye sometimes appears as though a person has applied a smudge of "black" used to shine shoes around his or her eye.)
Because the facial skin around the eye socket is relatively thin and transparent, even a slight pooling of blood can result in a very noticeable discoloration. Also, since the tissue in this area is relatively loose, fluid leaking from blood vessels easily accumulates around the eye, resulting in a puffy black eye.
Black eyes are usually the result of an accident in which an object strikes the area surrounding the eyes. These accidents occur for countless reasons, from playing sports to simply walking into something.
Other common causes include cosmetic eye surgery, sinus infections and nasal surgery. Even dental work and tooth infections can sometimes cause a black eye.
More serious causes of black eyes include cellulitis (a serious infection around the eyes) and skull fracture, which tends to result in two shiners that are sometimes described as "raccoon eyes."
A serious condition that can accompany a black eye is bleeding inside the anterior part of the eye (between the back side of the cornea and the front of the iris). This is called hyphema (hy-FEE-muh), and it is a medical emergency, as it can lead to increased eye pressure and vision loss from glaucoma if left untreated.
Another condition often accompanying a black eye is a bright red appearance to the "white" of the eye (sclera). This is called a subconjunctival hemorrhage and (though it looks pretty scary) it usually is not serious and typically resolves without treatment within a couple weeks.
In most cases, a black eye is like any other bruise and is not a cause for extreme concern.
However, it is always important to have an eye doctor examine a black eye before trying to treat it on your own. To gauge the severity of a black eye, look for the following symptoms, and if any of them are present, seek immediate medical attention:
To care for minor black eyes at home, apply a cold compress as soon as possible following the injury. A bag of frozen peas works better than ice cubes, because it conforms more easily to the face. Another option is to chill a metal spoon in the refrigerator, then gently apply the back of the spoon to different parts of the bruised area.
Never apply raw meat on a black eye, since this can significantly increase the risk of infection. (Save the steak for the grill.)
Cold compresses can be applied for about 15 to 20 minutes at a time and can be reapplied every hour. This will help constrict blood vessels and limit the amount of swelling.
For minor pain, over-the-counter analgesics, such as Tylenol, may help. (Avoid aspirin, which is a blood thinner and therefore might make your black eye look worse.)
For a serious black eye, your eye doctor may have additional treatment recommendations.
A mild black eye may initially appear red, then darken and get more swollen with time.
As a black eye begins to heal, it can turn purple, blue, green or even yellow.
A black eye usually will disappear within a couple weeks. During this healing period, it's important to protect the eye from further damage by avoiding any activities where additional injury could occur.
You likely will notice the color of your black eye will change as it heals. Shades of purple, blue, and even green or yellow are not uncommon.
While there is no magic cure to get rid of a black eye overnight, here are a number of things that may help speed up the healing process so your eye can look and feel better faster:
In most cases, you will see noticeable improvement in the appearance of your black eye within a week.
To decrease your risk of getting a black eye, always remember to wear safety glasses, sports eyewear or even protective headgear that includes a face shield when you are involved in potentially hazardous activities, including playing sports.
Wearing a seatbelt also is essential and significantly reduces the risk of black eyes from even minor auto accidents.
In addition, there are steps you can take around the house to prevent getting a black eye. For example, don't leave objects on the stairs, since this can easily result in a fall and eye injury. Area rugs also can be a trip hazard, so make sure they lie flat and are wrinkle-free.
Article sourced from All About Vision
