Senin, 13 Desember 2010

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Nursing Care Plans For Cataract

Posted: 12 Dec 2010 06:32 PM PST

Cataracts are the leading cause of preventable blindness among adults in the United States. The incidence of cataracts in the United States is 1.2 to 6.0 cases per 10,000 people. A cataract is defined as opacity of the normally transparent lens that distorts the image projected on the retina. The lens opacity reduces visual acuity. As the eye ages, the lens loses water and increases in size and density, causing compression of lens fibers. A cataract then forms as oxygen uptake is reduced, water Redmore this...>>>

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What is diabetic retinopathy?

Posted: 12 Dec 2010 06:29 PM PST

Diabetic retinopathy, the most common diabetic eye disease, is caused by changes in the blood vessels of the retina. There are two types of diabetic retinopathy: * Background or nonproliferative diabetic retinopathy (NPDR); and * Proliferative diabetic retinopathy (PDR). Nonproliferative diabetic retinopathy (NPDR) Nonproliferative diabetic retinopathy (NPDR) is the earliest stage of diabetic retinopathy. With this condition, damaged blood vessels in the retina begin to leak extra fluid Redmore this...>>>

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What causes cataracts?

Posted: 12 Dec 2010 06:27 PM PST

The design of the human eye is much like that of a camera. Light rays are focused through the lens onto the retina, a layer of light-sensitive cells at the back of the eye that is similar to film. In a normal eye, light rays pass through a clear lens and are focused onto the retina. This produces a bright, clear image. As the body ages, the lens continues to grow layers onto the existing surface. Over time the lens hardens and becomes cloudy, which often results in dull, cloudy or blurred vision Redmore this...>>>

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Who is at risk for cataracts?

Posted: 12 Dec 2010 06:25 PM PST

Cataracts occur as part of the aging process, so everyone is at risk eventually. By age 75, about 70 percent of people will have cataracts. The eye's lens slowly becomes less flexible, less transparent and thicker. Then areas of the lens become cloudy. Usually cataracts develop in both eyes at about the same time. These factors increase the risk of developing cataracts: * Advanced age; * Diabetes; * Family history; * Smoking; * Previous eye injury or inflammation; * Pr Redmore this...>>>

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What are the symptoms of cataracts?

Posted: 12 Dec 2010 06:23 PM PST

The only way to know if you have cataracts for certain is when your ophthalmologist (Eye M.D.) does a dilated eye exam. Get a baseline exam at age 40, when early signs of disease and changes in vision may start to occur. Your Eye M.D. will let you know how often you should return for follow-up exams. At any point, if you have symptoms or risks for eye disease, see your Eye M.D. Because your risk for cataracts and other eye diseases increases as you get older, starting at age 65 you should see y Redmore this...>>>

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What are cataracts?

Posted: 12 Dec 2010 06:21 PM PST

If your vision has become cloudy or things you see are not as bright as they used to be, a cataract may have developed in one or both of your eyes. A cataract is a clouding of the eye's naturally clear lens. Your eye becomes like a window that is frosted or yellowed. The amount and pattern of cloudiness within the lens can vary. If the cloudiness is not near the center of the lens, you may not be aware that a cataract is present. There are many misconceptions about cataract. A cataract is not: Redmore this...>>>

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