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<http://schema.org/description>
"Eyekepper BB90 lenses - amber tinted lenses with 12 layer coating.100% UV protection.\r\nTest 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.\r\n30% color distortion due to 50% blue color was filtered out.\r\nThe lenses block 50% blue color of online test for color filtering properties.Please check Eyekepper BB98 lenses if you need block more blue color and blue light.\r\nPRODUCTS DIMENSION - Frame Material is Metal,Lens width about 2 inches(51mm),Frame width about 5 1/4 inches(133mm),Lens height about 1 3/4 inches(45mm),Frame height about 1 15/16 inches(49mm),Bridge(DBL) about 1/2 inches(13mm),Temple length about 5 5/16 inches(135mm),with spring hinge"
<https://www.eyekepper.com/Round-Blue-Light-Blocking-Glasses-for-Women-Block-Digital-Glare-Oversize-Design-Computer-Eyegalsses-Women-Anti-Screen-UV-Rays-with-Amber-Tint-Filter-Lens-Blue-Silver-LX19042-BB90-p1870364.html>