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A multitude of disorders and diseases become more prevalent with age. Some are inconvenient, some are life-threatening, and some impair our ability to remain independent, such as those associated with blindness or visual impairment. Visual loss due to age-related macular degeneration is the most common cause of blindness in patients over the age of 50 years. Age-related macular degeneration appears in two general forms. The dry, or nonexudative, form is characterized by yellow deposits called drusen and by atrophy of the retinal pigment epithelium, whereas the exudative form is typically due to the growth of new blood vessels (neovascularization) beneath
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