Pristene Learn · By eye specialists
Your doctor mentioned AREDS2 — here's what it means.
What the National Eye Institute's AREDS studies actually tested, why the phrase on a supplement label tells you almost nothing, and the three things to check on any bottle — from a practicing retina specialist.
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More from Learn
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Three more guides.
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What Your Macula Does (and Why It Thins With Age)
The tiny spot responsible for everything you see in detail — and how it changes over a lifetime.
Read the article →Lutein & Zeaxanthin: Why Doses Matter
Two carotenoids, one clear lesson from the research: the amount on the label is the whole story.
Read the article →Eye Pressure, Explained
What intraocular pressure is, why your doctor measures it, and what the science says about supporting it.
Read the article →Physician-formulatedThird-party testedTransparent doses