TruVista Library

Research explained

Plain-language articles on macular degeneration, AREDS2 and the nutrients studied for eye health, with links to the research behind every claim.

Type to filter all 8 articles. Press Search to look inside the text of every article.

Articles about Research explained

8 articles · Show all

Wooden table with a bowl of kale, spinach and orange, plus salmon, eggs, almonds, sunflower seeds, corn and red pepper
AREDS28 min read

Nutrition and Eye Health: What the Research Actually Shows

The best evidence for eye vitamins covers one specific use: slowing progression in people who already have intermediate AMD, or late AMD in one eye. Here...

Read the article
Older woman in glasses reading a book in an armchair by a sunny window
AREDS28 min read

AREDS and AREDS2 Explained: How the Eye Vitamin Trials Worked

AREDS and AREDS2 are the National Eye Institute trials behind today's eye vitamin formulas. Here is how they were designed, who took part, what they found,...

Read the article
Older adult filling a weekly pill organizer with softgels at a wooden table beside a glass of water and a desk calendar
AREDS27 min read

How Long Does AREDS2 Take to Work?

There is no set number of weeks. The AREDS and AREDS2 trials measured a lower risk of advanced AMD over years, and the supplements are not...

Read the article
Hands arranging sliced red and yellow peppers, halved oranges and kiwifruit beside a bowl of almonds and sunflower seeds
Macular degeneration8 min read

Vitamin C and Vitamin E for Eye Health: What the Evidence Shows

Vitamins C and E are part of the AREDS2 formula studied to slow intermediate AMD, but large trials found neither prevents AMD on its own, and...

Read the article
Fish oil softgel capsules in a small dish beside a fresh salmon fillet on a kitchen counter
Eye nutrition9 min read

Omega-3s, Fish Oil and Your Eyes: What the Trials Found

Two NEI-funded trials tested omega-3 supplements for the eyes: AREDS2 found no added benefit for AMD, and DREAM found fish oil no better than placebo for...

Read the article
Close-up of an older adult's hands holding a plain white supplement bottle, with reading glasses hanging from their collar
AREDS28 min read

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...

Read the article
Older man outdoors breaking a cigarette in half, with a calm park in the background
Healthy aging8 min read

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...

Read the article
Dry vs. Wet Macular Degeneration: What's Actually Happening in Your Eye?
Macular degeneration5 min read

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....

Read the article