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Human Body & Health

Why does progressive macular degeneration impair high-resolution vision while preserving peripheral vision?

A)Rod cells regenerate more readily
B)Ganglion cells adapt to loss
C)Horizontal cells amplify signals
D)Cone cells are centrally concentrated

💡 Explanation

Macular degeneration affects the macula, the central part of the retina responsible for high-resolution vision, because this area is densely packed with cone photoreceptors. Therefore, central vision is impaired, rather than peripheral vision, because peripheral vision relies more on rod photoreceptors concentrated outside the macula.

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