> The researchers found that the overall risk for dementia was 29 percent lower in those who had cataract surgery compared with those who did not. > The resear

> The researchers found that the overall risk for dementia was 29 percent lower in those who had cataract surgery compared with those who did not. > The researchers also looked at glaucoma surgery, another type of eye operation that does not restore vision but can help prevent vision loss. It had no effect on dementia risk. Observational but well thought out. Full text: https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2786583 https://jamanetwork.com/journals/jamainternalmedicine/fullar...