FEIYOLD Blue Light Blocking Glasses Women/Men for Computer Use,FDA Approved Anti Eyestrain Gaming Glasses,Cut UV400 Transparent Lens(2Pack)
The Real Color
3A transparent lens give a real color performance
Anti Eye Fatigue
Reduce eye strain and sensitivity to light while facing digital screens for a long time
Minimize The Headache
Block harmful blue light and let harmless light enter your eyes can minimize your headache and let you enjoy a good sleep.
Blue Light Blocking Testing:
Use the blue light torch to beam the sensitive area of blue light testing card and FEIYOLD Glasses as shown in the first picture. We can see that the part of testing card beamed by the torch has turned purple, and the other part shaded by FEIYOLD Blue Light Blocking Glasses has not turned purple.
Thus we can see, FEIYOLD blue light filtering glasses can block most of the harmful blue light and protect your eyes. You can enjoy your digital time without worrying about the hurting from blue light.
The pictures from website are unable to demermine whether there is anti-blue light on the glasses. These online tests are designed for orange colored sleep glasses only. Orange glasses work by removing the entire blue spectrum, turning your entire vision orange.
As the high-energy rays blocked are close to UV spectrums, they are barely visible to the naked eyes and it doesn't react visibly with the online tests.
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