Why Cats’, Dogs’, and Deer Eyes Glow in Headlights (and Yours Don’t)
Drive down a rural road after dark and sooner or later a pair of eyes will appear at the edge of your headlights, glowing like […]
The Man Who Invented the Colorblindness Test (and Why It Became Mandatory)
In 1794, a chemist in Manchester, England, noticed something odd about a pink geranium. Under candlelight, it looked blue to him. His friends insisted it […]
Why Judges in Ancient China Wore Sunglasses in Court
Picture a courtroom with no jury box, no gavel, and no witness stand as we’d recognize them, but with a judge sitting at the front […]
The Traveling Eye Surgeons Who Cured Cataracts With a Needle and No Anesthesia
In March of 1750, a well-dressed Englishman rolled into Leipzig in a coach painted from top to bottom with giant eyeballs. A Latin motto ran […]
The Role of Zinc in Retinal Pigment Epithelium Function
Zinc appears on every eye supplement label. It is listed in the AREDS2 formulation. Nutritional guidance for macular degeneration reliably mentions it. And yet the […]
Can Saffron Supplementation Slow Macular Degeneration Progression?
Saffron is not a compound that most people expect to encounter in a serious discussion of macular degeneration research. It is the world’s most expensive […]
What the Research Says About Lutein Across the Lifespan: Eye Health, Brain Development, and Cognitive Function
Editorial note: We only cite studies published in peer-reviewed journals. We summarize findings without overstating conclusions. Published in Current Developments in Nutrition in June 2019, […]
What the Research Says About How Beta-Carotene, Lutein, and Zeaxanthin Protect Eye Health
Editorial note: We only cite studies published in peer-reviewed journals. We summarize findings without overstating conclusions. Published in the peer-reviewed journal Antioxidants in October 2020, […]
What the Research Says About Diet, Vitamins, and Age-Related Cataracts
Editorial note: We only cite studies published in peer-reviewed journals. We summarize findings without overstating conclusions. Published in the peer-reviewed journal Nutrients in October 2023, […]
What the Research Says About the Mediterranean Diet and Age-Related Macular Degeneration
Editorial note: We only cite studies published in peer-reviewed journals. We summarize findings without overstating conclusions. Published in the peer-reviewed journal Nutrients in March 2025, […]