The Lancet Commission has recently updated its life-course model of modifiable dementia risk factors to include vision impairment, based on research led by Dr. Joshua Ehrlich, MD, MPH.
Dr. Ehrlich’s study highlights that vision impairment is a significant and preventable contributor to dementia risk. The research estimates that approximately 1.8% of dementia cases in the United States could be attributed to vision impairment, suggesting that addressing this issue could potentially prevent up to 100,000 dementia cases nationwide.
The inclusion of vision impairment in the Lancet Commission’s model underscores the importance of regular eye examinations and timely treatment of visual problems as part of dementia prevention strategies. Given that an estimated 90% of vision impairment is either preventable or has yet to be treated, prioritizing vision health could play a crucial role in reducing the incidence of dementia.
This development emphasizes the need for public health initiatives to incorporate vision care into broader dementia prevention efforts, aiming to improve overall cognitive health outcomes.


