Question

Certain people of old age gradually develop blurred vision why

Answer 1

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What you describe is a symptom of age-related macular degeneration (AMD), a leading cause of vision loss in Americans 60 years of age and older. The macula is at the center of the retina in the back of your eye. The retina transmits light from the eye to the brain.

Answer 2

Answer:

it is because their iris starts to fade

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