Filters Blue Light Our proprietary lens has embedded Blue Light filtering material inside.This allows it to remain both clear and effective,paricularly filtering out the highest energy wavelengths.Over exposure to Blue Light can lead to symptoms like eye strain,headaches,and sleep disruption. Relieve digital eyestrain with blue light blocking lens Prolonged exposure to high-energy visible (HEV) blue light can lead to eye strain and blurred vision. Our blue blocker lenses reflect and filter the blue light emitted in artificial light.