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Eye Health Library
Plain-language articles on macular degeneration, AREDS2 and the nutrients studied for eye health, with links to the research behind every claim.
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Can You Take AREDS2 With a Multivitamin?
Yes. NEI says the AREDS2 formula does not replace a multivitamin, and most trial participants took both. The main caution is adding up nutrients like zinc...
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AREDS2 and Blood Thinners: Questions for Your Doctor
If you take a blood thinner, talk with your doctor before starting AREDS2. Vitamin E is the main ingredient to discuss, and people on warfarin need...
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What "AREDS3" on a Label Means: PreserVision AREDS3 vs AREDS2
"AREDS3" is the name of a PreserVision product, not a National Eye Institute trial. We compare its label with the AREDS2 formula and explain what evidence...
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Eye Health After 50: What Changes and When to Get Checked
Several eye conditions become more likely after 50, and some cause no symptoms at first. Here is what NEI and the AAO say about each one,...
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Smoking and Eye Health: AMD, Cataracts and What Quitting Can Do
Smoking is a risk factor for both AMD and cataracts, and the CDC says quitting may lower your risk. Here is what the research shows, how...
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How to Use an Amsler Grid at Home
A daily Amsler grid check takes one eye at a time and a steady look at the center dot. Here is how to do it, what...
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Cataracts vs Macular Degeneration: How to Tell Them Apart
Cataracts and macular degeneration can both blur vision and dull colors, but they affect different parts of the eye and are treated very differently. Here is...
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Glaucoma After 60: Why Eye Exams Matter Before Symptoms
Glaucoma usually causes no symptoms at first, and half of people with it don't know they have it. Here is who is at higher risk after...
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Can You Get AREDS2 Nutrients From Food?
The lutein and zeaxanthin in AREDS2 is easy to match with leafy greens, but the vitamin C, vitamin E and zinc doses are hard to reach...
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Lutein and Zeaxanthin: The Yellow Pigment That Shields Your Macula
The macula is literally named for its color — and that yellow is lutein and zeaxanthin, two carotenoids your body can't make. Here's what macular pigment...
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The Symptoms of Macular Degeneration: What to Watch For
Macular degeneration often begins silently — and because your better eye compensates so well, significant vision loss in one eye can go unnoticed for years. Here's...
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Dry vs. Wet Macular Degeneration: What's Actually Happening in Your Eye?
“Dry” and “wet” aren’t describing how your eye feels — they’re two different disease processes in a five-millimeter patch of tissue that controls your central vision....
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