Hacker News new | ask | show | jobs
by dghughes 2333 days ago
Be careful white (which are actually blue) LEDs may be damaging to your retinas.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5313540/

CONCLUSION

The study results indicate that LED blue-light exposure poses a great risk of retinal injury in awake, task-oriented rod-dominant animals. The wavelength-dependent effect should be considered carefully when switching to LED lighting applications.