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| About site: Conditions and Diseases/Eye Disorders/Cataract - Cataract Information from Harvard Eye Associates |
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Title: Conditions and Diseases/Eye Disorders/Cataract - Cataract Information from Harvard Eye Associates Information, including symptoms, cause, prevention, and treatment are reviewed along with details on surgery, including risks, activity restrictions, and expected visual outcome.
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Cataract Surgery Eye Surgeon Doctor Orange County Laguna Hills San Clemente Irvine Newport Beach Huntington Beach Harvard Eye Associates specializes in Cataract Surgery.. Eye Surgeon Doctor Aliso Viejo Irvine Newport Beach Orange County San Clemente Laguna Niguel Mission Viejo Laguna Hills Dana Point San Juan Capistrano Laguna Beach Lake Forest Capistrano Beach Rancho Santa Margarita Trabuco Canyon Laguna Woods FootHill Ranch Costa Mesa Ladera Ranch Corona Del Mar Huntington Beach California Aliso Viejo Anaheim Brea Buena Park Costa Mesa Cypress Dana Point Fountain Valley Fullerton Garden Grove Huntington Beach Irvine Laguna Beach Laguna Hills Laguna Niguel Laguna Woods La Habra Lake Forest La Palma Los Alamitos Mission Viejo Newport Beach Orange Placentia Rancho Santa Margarita San Clemente San Juan Capistrano Santa Ana Seal Beach Stanton Tustin Villa Park Westminster Yorba Linda Harvard Eye Associates specializes in Cataract Surgery.. Eye Surgeon Doctor Orange County Laguna Hills San Clemente Irvine Newport Beach Huntington Beach Cataract surgery today is the result of extraordinary technological and surgical advancements that allows millions of people to once again enjoy crisp and clear vision. A true marvel of modern medicine, cataract surgery may restore vision to levels you may have never thought possible. A cataract is a clouding of the eye's natural lens, which lies behind the iris and the pupil. The lens works much like a camera lens, focusing light onto the retina at the back of the eye. The lens also adjusts the eye's focus, letting us see things clearly both up close and far away. The lens is mostly made of water and protein. The protein is arranged in a precise way that keeps the lens clear and lets light pass through it. But as we age, some of the protein may clump together and start to cloud a small area of the lens. This is a cataract, and over time, it may grow larger and cloud more of the lens, making it harder to see. Cataracts are classified as one of three types: a nuclear cataract is most commonly seen as it forms. This cataract forms in the nucleus, the center of the lens, andis due to natural aging changes. A cortical cataract, which forms in the lens cortex, gradually extends its spokes from the outside of the lens to the center. Many diabetics develop cortical cataracts. A sub-capsular cataract begins at the back of the lens. People with diabetes, high farsightedness, retinitis pigmentosa or those taking high doses of steroids may develop a sub-capsular cataract. Cataract symptoms cataract starts out small, and at first has little effect on your vision. You may notice that your vision is blurred a little, like looking through a cloudy piece of glass or viewing an impressionist painting. A cataract may make light from the sun or a lamp seem too bright or glaring. Or you may notice when you drive at night that the oncoming headlights cause more glare than before. Colors may not appear as bright as they once did. The type of cataract you have will affect exactly which symptoms you experience and how soon they will occur. When a nuclear cataract first develops it can bring about a temporary improvement in your near vision, called second sight. Unfortunately, the improved vision is short-lived and will disappear as the cataract worsens. Meanwhile, a sub-capsular cataract may not produce any symptoms until it's well developed. If you think you have a cataract, see an eye doctorfor an exam to find out for sure. What causes a cataract? No one knows for sure why the eye's lens changes as we age, forming cataracts. Researchers are gradually identifying factors that may cause cataracts and information that may help to prevent them. Many studies suggest that exposure to ultravlens implantet light is associated with cataract development, so eye care practitioners recommend wearing sunglasses and a wide-brimmed hat to lessen your exposure. Other types of radiation may also be causes. For example, a 2005 study conducted in Iceland suggests that airline pilots have a higher risk of developing nuclear cataract than non-pilots, and that the cause may be exposure to cosmic radiation. A similar theory suggests that astronauts, too, are at risk from cosmic radiation. Other studies suggest people with diabetes are at risk for developing a cataract. The same goes for users of steroids, diuretics and major tranquilizers, but more studies are needed to distinguish the effect of the disease from the consequences of the drugs themselves. Some eye care practitioners believe that a diet high in antioxidants, such as beta-carotene (vitamin a), selenium and vitamins c and e, may forestall cataract development. Meanwhile, eating a lot of salt may increase your risk. Other risk factors include cigarette smoke, air pollution and heavy alcohol consumption. A small study published in 2002 found lead exposure to be a risk factor; another study in December 2004, of 795 men age 60 and older, came to a similar conclusion. But larger studies are needed to confirm whether lead can definitely put you at risk, and if so, whether the risk is from a one-time dose at a particular time in life or from chronic exposure over years. Cataract treatment when symptoms begin to appear, you may be able to improve your vision for a while using new glasses, strong bifocals, magnification, appropriate lighting or other visual aids. San Clemente Laguna Hills Aliso Viejo Irvine Newport Beach Orange County . Think about surgery when your cataracts have progressed enough to seriously impair your vision and affect your daily life. Many people consider poor vision an inevitable fact of aging, but cataract surgery is a simple, relatively painless procedure to regain vision. Cataract surgery is very successful in restoring vision. In fact, it is the most frequently performed surgery in the United States, with over 1.5 million cataract surgeries done each year. Nine out of 10 people who have cataract surgery regain very good vision, somewhere between 20/20 and 20/40. During surgery, the surgeon will remove your clouded lens, and in most cases replace it with a clear, plastic intraocular lens (lens implant). New lens implants are being developed all the time to make the surgery less complicated for surgeons and the lenses more helpful to patients. One example is a new lens implant that lets patients see at all distances, not just one. Another new lens implant has blue-blocker capability, which blocks both ultravlens implantet and blue light rays that research indicates may damage the retina. Cataract surgery has made extraordinary and exciting advances over the past 20 years. Last year, approximately 2.7 million Americans underwent cataract surgery. Greater than 95% of those patients now enjoy improved vision. State-of-the-art cataract surgery is now a safe, effective, and comfortable procedure performed almost exclusively on an outpatient basis. Most cataract surgeries are now performed using microscopic size incisions, advanced ultrasonic equipment to fragment cataracts into tiny fragments, and foldable intraocular lenses (lens implants) to maintain small incision size. Aliso Viejo Irvine Newport Beach Orange County San Clemente Laguna Niguel Mission Viejo Laguna Hills Dana Point San Juan Capistrano Laguna Beach Lake Forest Capistrano Beach Rancho Santa Margarita Trabuco Canyon Laguna Woods FootHill Ranch Costa Mesa Ladera Ranch Corona Del Mar Huntington Beach California _uacct = "UA-218208-1";urchinTracker(); |
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Information, | including | symptoms, | cause, | prevention, | and | treatment | are | reviewed | along | with | details | on | surgery, | including | risks, | activity | restrictions, | and | expected | visual | outcome. |
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http://www.harvardeye.com/cataract.html
Cataract Information from Harvard Eye Associates 2010 September
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Information, including symptoms, cause, prevention, and treatment are reviewed along with details on surgery, including risks, activity restrictions, and expected visual outcome.
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