Per the American Optometric Association, this usually isn’t serious and can mostly be solved by habitually looking away from your screen on occasion and practicing some basic techniques to reduce the strain. In the short term, blue light is mostly associated with potentially causing eye strain. Instead, the most important light to consider that screens produce is short wavelength, high-energy blue light. This is because screens aren’t as bright as the sun, and newer screens don’t generally produce UV rays, the most damaging kind of light the sun produces. In short, these screens are far less damaging than the sun. Most people know the sun can hurt our eyes but are less clear on whether to worry about other bright lights, like computer screens.
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