Red Lake Nation News - Babaamaajimowinan (Telling of news in different places)

Older people who get cataracts removed have lower dementia risk

People who have cataracts can reduce their risk of developing drgoing surgery to restore their sight, although it's not clear why


December 7, 2021

Older people who have cataract surgery to improve their eyesight are less likely to develop dementia afterwards.

The effect could be because people who lose their eyesight typically spend more time at home, and so get less mental stimulation – or it could be down to a strange effect that cataracts have on the colours that reach the retina at the back of the eye.

Cataracts, which involve the lens of the eye becoming more cloudy with age, are one of the most common causes of vision loss in older people. They can be fixed by surgically removing the lens to replace it with a plastic one.

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