Blue Light Blocking Computer Reading Glasses with Amber Tinted Filter Lens Women Men - Vintage Readers - Black Brown +3.00
- Eyekeeper BB90 lenses - amber tinted lenses with 12 layer coating.100% UV protection.
- Test via the spectrometer(the performance of blue light blocking):block 62% within 500nm,block 71% within 490nm,block 78% within 480nm,block 81% within 470nm,block 83% within 460nm,block 86% within 450nm,block 88% within 440nm,block 89% within 430nm,block 92% within 420nm,block more than 99% within 400nm-410nm.
- 30% color distortion due to 50% blue color was filtered out.
- The lenses block 50% blue color of online test for color filtering properties.Please check Eyekeeper BB98 lenses if you need block more blue color and blue light.
- Plastic frame with spring hinges,Lens width about 2 inches(50mm),Frame width about 5 3/8 inches(136mm),Lens height about 1 1/8 inches(29mm),Frame height about 1 5/16 inches (34mm),Bridge(DBL) about 5/8 inches(15mm),Temple length about 5 5/16 inches(135mm).
*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 90% high energy visible light from tablets, phones, TV, computers and more.
*Our lenses code is BB90 for the Eyekeeper blue light block glasses.
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