Clear guides to blue light blocking glasses, evening screen routines and FL-41 tinted lenses. Start with the articles below, or explore the deeper research and buying guides further down.
Heritage Gaze Journal
Blue Light Glasses and Your Evening Routine
A simple evening plan for screens, room lighting and amber lenses. Learn where blue light glasses fit and what the sleep evidence can tell us.
Blue Light Glasses and Your Evening Routine
A simple evening plan for screens, room lighting and amber lenses. Learn where blue light glasses fit and what the sleep evidence can tell us.
FL-41 Glasses, Migraine and Light Sensitivity: ...
Why does light hurt with migraine? Explore the brain pathways, stress, aura and FL-41 lens research in a detailed plain-English guide, with 16 sources and a study chart.
FL-41 Glasses, Migraine and Light Sensitivity: ...
Why does light hurt with migraine? Explore the brain pathways, stress, aura and FL-41 lens research in a detailed plain-English guide, with 16 sources and a study chart.
Blue Light Glasses: Benefits and Buying Guide
What blue light blocking lenses do, what amber tints change and what the research says about sleep and eye strain. A clear guide to choosing a pair.
Blue Light Glasses: Benefits and Buying Guide
What blue light blocking lenses do, what amber tints change and what the research says about sleep and eye strain. A clear guide to choosing a pair.
Explore the research and buying guides
Want more detail? These guides explain the evidence, the lens questions and the choices behind our range.
Blue light and screens
Evening light and sleep
FL-41 and light sensitivity
These guides are published by Heritage Gaze, an eyewear retailer. They explain research and product information; they are not personal medical advice. About us · Contact us