Blue light glasses is a good option to filter out harmful blue ray. Blue light is one of the visible light of the light spectrum. Blue light has a short frequency, thus creates a higher measure of vitality. Studies propose that, after some time, introduction to the blue finish of the light range could cause genuine long term harm to your eyes. Blue light has a wavelength of between approximately 380nm and 500nm; making it one of the shortest, highest-energy wavelengths. (more…)
