macular degeneration…

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macular degeneration, retina, age-related macular degeneration, armd, amd, senile macular degeneration, smd, macular degeneration, macula, central part, the retina, the eye, causing decreased visual acuity, loss of central vision, macula, the retina that allows the eye, fine details, center, the field of vision, degeneration results, a partial breakdown, the retinal pigment epithelium, rpe, insulating layer between the retina, choroid, layer of blood vessels behind the retina, rpe acts, a selective filter, what nutrients reach the retina, choroid, many components of blood, harmful, retina, kept away, retina by normal rpe, breakdown, the rpe interferes, the metabolism, the retina, causing thinning, the retina, "dry" phase of macular degeneration, harmful elements, promote new blood vessel formation, fluid leakage, "wet" phase of macular degeneration, in the loss of central vision only, peripheral fields, always maintained, loss of ability to read, drive, macular degeneration, does not lead to complete blindness, disease becomes increasingly common among people in each succeeding decade over 50, by age 75, 15% of people have this condition, risk factors, family history, cigarette smoking, caucasian, blurred, distorted, dim, absent central vision, tests to evaluate the retina, visual acuity, refraction test, pupillary reflex response, slit lamp examination, retinal examination by various techniques, retinal photography, fluorescein angiography, indocyanine green angiography, amsler grid, no specific treatment, dry macular degeneration, zinc supplementation, slow the progression, zinc in diet, laser photocoagulation, laser surgery to coagulate leaking choroidal blood vessels, in the early stages, the wet form, involves, use of a thermal laser, burns the abnormal, leaky blood vessels, stops them from spreading, a newer treatment option, patients, wet macular degeneration is photodynamic therapy, doctor's office, in this procedure, a light-sensitive medication, visudyne, verteporfin, injected into a vein, in the patient's arm, drug circulates, eyes, a non-thermal laser is shone, eyes, visudyne produces a chemical reaction, destroys abnormal blood vessels, vessels grow back, repeated, photodynamic therapy is expensive, not a cure, successful in managing a particular area of leakage, choroid, the rpe, physician, use an amsler grid to discover possible new leaks, scarring occurs, low-vision aids, therapy, vital to improvement of quality of vision, amd alliance international, nonprofit organization, raising the awareness level of age-related macular degeneration, amd, their website, amdalliance, contains additional information, an amsler grid, amd alliance international, international hotline at 1, mild dry macular degeneration, never have disabling central vision loss, no way to predict who, progress to a more severe form, in the loss of central vision only, macular degeneration cannot cause peripheral vision loss, wet form of macular degeneration often leads to significant vision loss, loss of central vision, interfere, many activities of daily living, reading, require magnification, become impossible, ability to drive lost, dim, distorted areas in vision, routine dilated eye exams, monitor, no known effective prevention, family history of macular degeneration, avoid all use of tobacco, vitamin use, good nutrition, reduce the risk of developing macular degeneration.