Science Behind Our Lenses
How to Read a Blue-Light Lens Test Before You Buy
A percentage on its own says very little about a lens. Here is how to evaluate wavelength bands, transmission curves, test quality, and the difference between optical data and clinical claims.
Digital Eye Strain Is More Than Blue Light
Dryness, blur, headaches, and neck tension during screen work have several interacting causes. Understanding them leads to better habits than blaming one color of light.
Blue Light Is Not One Thing: Timing, Intensity, and Spectrum
Blue light cannot be judged by color alone. This guide explains why wavelength, brightness, duration, and time of day must be considered together.