What is Blue Light Therapy
What is Blue light? Blue light is defined as light within the wavelength range of 400-480 نانومتر, because over 88% of the risk of photo-oxidative damage to the retina from fluorescent lamps (cool whie or “broad spectrum”) is due to light wavelengths in the range of 400-480 نانومتر. The blue light hazard peaks at 440 […]