Updated On: 21 February, 2026 10:12 AM IST | New Delhi | Agencies
A new study suggests that changes in the peripheral retina — the outer area of the eye’s light-sensitive layer — may help detect Alzheimer's disease at an early stage. Researchers found that a routine eye examination could potentially reveal warning signs of the condition long before irreversible brain damage occurs

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The outer area of the retina, or the peripheral retina, could offer a window into an early detection of Alzheimer’s disease long before irreversible brain damage occurs, and a routine eye exam may thus potentially help with an early diagnosis of the neurodegenerative condition, according to a new study.
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