DUCO Kids Sports Style Blue Light Blocking Reading Computer Glasses (Black)

What Is Blue Light?
Blue light has the strongest frequency of the visible spectrum, right next to UV light. Its short wavelength and high frequency make it highly penetrative, able to reach as far back as the retina in your eyes. This can cause digital eyestrain, headaches, dry eye, fatigue, and even insomnia.

Features:
The blue light can penetrate cornea and crystalline l...