This is Where is Matters
What is the deal with 455 nm? 455 nm is where it matters the most. When you are comparing different blue-light-blocking technology, you must make the comparisons at 455 nm. Digital devices and LED lights emit blue light from about 430 nm to 500 nm. There is an intense spike at ~ 455 nm. When looking for true protection from potentially harmful blue light, check to see what the lenses are rated for. BluTech Lenses provide blue-light-blocking where it matters [...continue reading]