I also see patients in the college’s teaching clinics. But, epidemiological studies on real people tell a different story.Īs an assistant professor at The Ohio State University College of Optometry, I teach and conduct vision research, including work with retinal eye cells. Laboratory studies have shown that prolonged exposure to high-intensity blue light damages retinal cells in mice. It can also pass through the eye to the retina, the collection of neurons that converts light into the signals that are the foundation of sight. Blue light has a short wavelength, which means that it is high-energy and can damage the delicate tissues of the eye. ![]() Personal electronic devices emit more blue light than any other color. ![]() Blue light has gotten a bad rap, getting blamed for loss of sleep and eye damage.
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