4 Pack Ladies Oversized Blue Blocking Computer Reading Glasses with Orange Tinted Filter Lens for Sleeping - Large Round Computer Readers Women
- Eyekeeper BB98 lenses - orange tinted lenses with 12 layer coating.100% UV protection.
- Test via the spectrometer(the performance of blue light blocking):block 89% within 500nm,block 91% within 490nm,block 93% within 480nm,block 94% within 470nm,block 96% within 460nm,block 98% within 450nm,block more than 99% within 400nm-440nm.
- Serious color distortion due to 90% blue color was filtered out.Please check Eyekeeper BB40,BB60 and BB90 lenses if you do not like serious color distortion.
- The lenses block 90% blue color of online test for color filtering properties.
- 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 100% high energy visible light from tablets, phones, TV, computers and more.
*Our lenses code is BB98 for the Eyekeeper blue light block glasses.
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