Over the years, blue light has had a bad rap. It has been blamed for sleep loss and for eye damage. Since blue light has a short wavelength, that means that it is a high-energy, which are harmful to the delicate tissues of the eyes. Moreover, blue light can also pass through the retina, the collection of neurons which convert light into signals, the foundation of sight.
While laboratory studies in mice have shown that prolonged exposure to high-intensity blue light can damage retinal cells, epidemiological studies on real people suggest a different story.
If it is not blue light that causes eye fatigue and sleep loss, then what is? Find out over at Ohio State News.
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I thought it was fluorescent lighting which is not really steady like incandescent, but flickers on and off very quickly so you are not conscious of it.
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