Mind & Mood

Cataract surgery may lower dementia risk

Research we're watching

  • Reviewed by Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor
Close-up of a human eye.

Researchers in Singapore examined 24 earlier studies that involved more than 558,000 older adults (average age 66, 53% women). The studies focused on people who had undergone cataract surgery and had their cognitive function assessed and compared against people who either did not have cataracts or had untreated cataracts. Among participants tracked for seven to 10 years, those who underwent cataract surgery were 25% less likely to develop cognitive decline or dementia compared with those who had untreated cataracts. The long-term risk of cognitive decline was similar between cataract surgery patients and people who didn't have cataracts.

To continue reading this article, you must log in.

Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.

  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »

I'd like to receive access to Harvard Health Online for only $4.99 a month.

Sign Me Up

Already a member? Login ».

About the Author

photo of Maureen Salamon

Maureen Salamon, Executive Editor, Harvard Women's Health Watch

Maureen Salamon is executive editor of Harvard Women’s Health Watch. She began her career as a newspaper reporter and later covered health and medicine for a wide variety of websites, magazines, and hospitals. Her work has … See Full Bio
View all posts by Maureen Salamon

About the Reviewer

photo of Toni Golen, MD

Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor

Dr. Toni Golen is a physician specializing in obstetrics and gynecology, practicing in Boston. Dr. Golen completed her residency training at George Washington University Medical Center in 1995, and is an associate professor at Harvard Medical … See Full Bio
View all posts by Toni Golen, MD

Disclaimer:

As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.

No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.

You might also be interested in…

The Aging Eye: Preventing and treating eye disease

As the eyes age, problems with vision become more common. The Aging Eye: Preventing and treating eye disease explains how to recognize the risk factors and symptoms of specific eye diseases — cataract, glaucoma, age-related macular degeneration, and diabetic retinopathy — and what steps you can take to prevent or treat them before your vision deteriorates.

Read More

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up
Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE gift.

The Best Diets for Cognitive Fitness, is yours absolutely FREE when you sign up to receive Health Alerts from Harvard Medical School

Sign up to get tips for living a healthy lifestyle, with ways to fight inflammation and improve cognitive health, plus the latest advances in preventative medicine, diet and exercise, pain relief, blood pressure and cholesterol management, and more.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of the Best Diets for Cognitive Fitness.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of the Best Diets for Cognitive Fitness.