Swannies Day Glasses
Day Swannies block 98% of blue light at 400 nanometers, graduating to 45% at 450nm. This is considered the most harmful part of the blue light spectrum. Day Swannies also block between 21-45% of blue light between 450-500 nanometers. This allows a natural level of beneficial blue light to get through, while still protecting your eyes from over-exposure to harmful blue light.
Day Swannies block significantly more blue light than most clear-lens blue blockers on the market, which usually only block blue light up to 420nm.