7 Facts about Blue Light

  1. It’s everywhere, from sunlight to digital display screens.
  2. Your eyes are not very good at blocking it.
  3. It contributes to digital eye strain.
  4. Some exposure to it is essential for good health.
  5. The sky looks blue because of it.
  6. It may increase the risk of macular degeneration and permanent vision loss.
  7. If you’ve had cataract surgery, blue light protection is especially important.
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