Ladies Oversized Blue Light Blocking Reading Glasses with Amber Tinted Filter Lens - Large Round Computer Readers Women
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- 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.
- Frame Material is Plastic, Lens width about 2 1/16 inches(52mm), Frame width about 5 7/16 inches(138mm), Lens height about 1 3/4 inches(44mm), Frame height about 1 7/8 inches(48mm), Bridge(DBL) about 1/2 inches(13mm), 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 90% high energy visible light from tablets, phones, TV, computers and more.
*Our lenses code is BB90 for the Eyekeeper blue light block glasses.