The second hypothesis as to why cataract surgery reduces the risk of developing dementia is that following surgery, patients are often getting more blue light.  Some of the cells in the retina that regulates sleep cycles and that are associated with cognitive function respond well to blue light.  Cataracts are known to specifically block blue light and surgery corrects this issue for patients, restoring blue light and allowing for better sleep and cognitive function.

Additionally, the study went on to add that prior studies have also shown that individuals who have improved vision tend to be more social, get more physical activity, and enjoy being outdoors, which are all helpful activities that can support dementia prevention.

The study did not provide any conclusive results on improvements for patients who have already developed memory loss or dementia prior to having cataract surgery.

However, as the medical world continues to explore the connections between our eyes and brain function, as you age and discover that you may be in need of cataract surgery, it may be a worthwhile consideration for a much bigger reason down the line.

For more information about this study, click here.
Philip J. Kavesh
Nationally recognized attorney helping clients with customized estate planning guidance for over 40 years.
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