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Show 1154: How to Take Good Care of Your Eyesight (Archive)

Find out how you can take good care of your eyesight. What are the best ways to manage dry eyes and protect yourself from macular degeneration?
Show 1154: How to Take Good Care of Your Eyesight (Archive)
Peter J. McDonnell, MD, Director of the Johns Hopkins Wilmer Eye Institute and professor of ophthalmology at Johns Hopkins School of Medicine
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How to Take Good Care of Your Eyesight (Archive)

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A national survey just a few years ago showed that Americans fear losing their vision more than they fear losing a limb, their hearing, their ability to speak or even their memory (Scott et al, JAMA Ophthalmology, October 2016). What do you know about how to take good care of your eyesight?

What Can You Do About Dry Eyes?

Dry eye is a very common condition with multiple possible causes. Tears have three different components. One is the liquid water phase. There is also a lipid phase that prevents rapid evaporation. In addition, a mucus phase helps the tears spread evenly over the surface of the eye. It is not just the quantity of tears but also their quality that matters.

What can affect this? In certain conditions such as rheumatoid arthritis or acne rosacea, dry eye syndrome signals a systemic problem. Medications such as antihistamines may also cause dry eyes. In addition, people staring at their computer screens or phones may forget to blink. This can quickly dry eyes out as well. Blinking more often can help, as can hot compresses. Our guest shared a home remedy for a stye on the eyelid: Microwave a small potato, wrap it in a dishtowel and hold it to the inflamed spot for 15 or 20 minutes. It stays hot much longer than a wet washcloth does. In addition, a Mediterranean diet rich in fish and olive oil provides dietary support to prevent dry eyes.

Tips to Take Good Care of Your Eyesight:

Ophthalmologists recognize diabetic retinopathy as the leading cause of visual impairment among working-age Americans. As a result, anyone with diabetes or pre-diabetes should see their eye doctor for regular screening.

Among older adults, the leading cause of vision problems is age-related macular degeneration. In this condition, damage to the center of the retina impairs central vision, making it hard to read, play golf or even recognize friends’ faces.

Advances to Help You Take Good Care of Your Eyesight:

Pharmacological advances have improved treatment of both age-related macular degeneration and another disease that becomes more common with aging, glaucoma. Glaucoma is often linked to increased pressure in the eye. In this condition, vision begins to fail at the periphery first. Unfortunately, people may not even notice the problem until it becomes fairly severe. That’s why ophthalmologists measure eye pressure at every visit.

Learn More:

You can learn more about how to take good care of your eyesight, reduce the likelihood of nearsightedness in children, use optical coherence tomography (imaging of the retina) to detect early Alzheimer’s disease by listening to the interview. Additionally, the podcast also includes information on vitamins to slow the progression of age-related macular degeneration and a discussion of cataract prevention and treatment.

This Week’s Guest:

Peter J. McDonnell, MD, is the director of the Johns Hopkins Wilmer Eye Institute and professor of ophthalmology at Johns Hopkins School of Medicine.

Listen to the Podcast:

The podcast of this program will be available the Monday after the broadcast date. The show can be streamed online from this site and podcasts can be downloaded for free. CDs may be purchased at any time after broadcast for $9.99.

Buy the CD

Download the mp3  (Where it says “Choose CD or MP3 Version” above the “Add to Cart” button, select mp3.)

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About the Author
Terry Graedon, PhD, is a medical anthropologist and co-host of The People’s Pharmacy radio show, co-author of The People’s Pharmacy syndicated newspaper columns and numerous books, and co-founder of The People’s Pharmacy website. Terry taught in the Duke University School of Nursing and was an adjunct assistant professor in the Department of Anthropology. She is a Fellow of the Society of Applied Anthropology. Terry is one of the country's leading authorities on the science behind folk remedies. .
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