Your guide to light & performance.

Every review, guide, and science piece. Independent, and updated when the evidence — or the product — changes.

THE SCIENCE·7 MIN READ

Why do footballers wear blue light blocking glasses

Marcos Llorente played 26 straight matches in tinted glasses, and Erling Haaland publicly backed him. The story sits in a more interesting place than either the hype or the backlash admits — here is what the evidence actually shows.

27 JUN 2026

LOAD·5 MIN READ

Why Does Esteban Ocon Wear Sunglasses at Airports?

F1 drivers like Esteban Ocon are photographed in dark designer sunglasses at every airport arrival. The habit looks like style, but the real reason is jet lag, circadian timing and protecting eyes worked hard by a 24-race season.

26 JUN 2026

THE SCIENCE·6 MIN READ

Does UVA light improve cycling performance? A closely-read verdict

A controlled trial in trained cyclists is often cited as evidence that sunlight boosts performance. Read carefully, it shows something more interesting — and more honest.

21 JUN 2026