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macular degeneration: Quick Facts

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New Research Indicates Shared Roots of Major Neurodegenerative Diseases • Oct. 21, 2026, 12:18 PM ET (Des Moines Register)

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Close-up retinal image showing advanced macular degeneration, with yellowish deposits, darkened central area, and visible blood vessels.
Diagram of a horizontal section of the human eye showing labeled parts including the cornea, iris, lens, retina, sclera, optic nerve, and blood vessels, with internal structures and muscles visible.
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