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The Conversation USA

Blue light isn't the main source of eye fatigue and sleep loss – it's your computer

  • Written by Phillip Yuhas, Assistant Professor of Optometry, The Ohio State University
While blue light has been blamed for sleep loss, it's not the only bad light.Chaoss/Shuttterstock.com

Blue light has gotten a bad rap, getting blamed for loss of sleep and eye damage. Personal electronic devices emit more blue light than any other color. Blue light has a short wavelength, which means that it is high-energy and can damage the...

Read more: Blue light isn't the main source of eye fatigue and sleep loss – it's your computer

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