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In a new study from the University of Toledo, researchers found that an increase in exposure to blue light can accelerate blindness.

1. How does this mechanism work?
2. Does your cell phone have blue light? How many devices do you have or use, which have blue lights?
3. What suggestions does the article offer to avoid exposure?
4. How do you think this study will influence the development of products?

Karangu, J. (2018) Blue light from your smartphone could speed up blindness, study shows. (Retrievable online at