- An observational study of more than 3,000 adults aged 65 years or older has uncovered a link between cataract surgery and a reduced risk of developing dementia, including Alzheimer’s disease.
- The researchers say the results support the connection between sensory impairments, such as vision loss, and a higher risk for dementia.
- The scientists also believe there is a link between blue light and the development of dementia.
More than 55 million peopleTrusted Source worldwide live with dementia — a syndrome that causes a decline in cognitive functions such as memory, language, and comprehension.
Alzheimer’s disease is the most common form of dementia, accounting for 60–80% of all people who have dementia. Scientists have carried out much research over the years examining the causes of Alzheimer’s; however, they remain unclear.
Researchers from the University of Washington School of Medicine in Seattle now say they have uncovered a link between cataract surgery and a lowered risk for developing dementia in older adults, including Alzheimer’s disease.
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Wellness Secrets of a SuperAger 
Interesting. The article does not mention blue light though.
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