Half-Rim Metal Frame Blue Light Blocking Glasses for Men Women Anti Glare Cut UV Rays - Yellow Tint Filter Lens Digital Eyeglasses for Computer Screen
- Eyekeeper BB60 lenses - transparent lenses with 12 layer yellowish coating.100% UV protection.
- Test via the spectrometer(the performance of blue light blocking):block 35% within 500nm,block 42% within 490nm,block 49% within 480nm,block 55% within 470nm,block 60% within 460nm,block 64% within 450nm,block 67% within 440nm,block 77% within 430nm,block 97% within 420nm,block more than 99% within 400nm-410nm.
- 20% color distortion due to 30% blue color was filtered out.
- The lenses block 30% blue color of online test for color filtering properties.Please check Eyekeeper BB90 and BB98 lenses if you need block more blue color and blue light.
- Frame Material is Metal,Lens width about 2 1/16 inches(52mm),Frame width about 5 5/16 inches(135mm),Lens height about 1 5/16 inches(32mm),Frame height about 1 5/16 inches(33mm),Bridge (DBL) about 3/4 inches(19mm),Temple length about 5 5/16 inches(135mm),with spring hinge
*Per the Occupational Safety & Health Administration: The preferred viewing distance for VDTs ranges between 18 and 24 inches (45.72 and 60.96 centimeters, respectively)
*Filters 100% of the most damaging low-level blue and nearly 60% high energy visible light from tablets, phones, TV, computers and more.
*Our lenses code is BB60 for the Eyekeeper blue light block glasses.
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