Blue Light Filter Computer Glasses - UV420 Protection Anti Blue Rays Reading Glasses
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- Eyekeeper's BB40 lenses - transparent lenses with filter.UV420 protection.
- The lenses do not block blue color of online test for color filtering properties.Please check Eyekeeper's BB60,BB90 and BB98 lenses if you need block blue color and block more blue light.
- Test via the spectrometer(the performance of blue light blocking): block 29% within 500nm, block 32% within 490nm, block 33% within 480nm, block 35% within 470nm, block 36% within 460nm, block 37% within 450nm, block 39% within 440nm, block 51% within 430nm, block 93% within 420nm, block more than 99% within 400nm-410nm.
- Almost no color distortion.
PRODUCTS DIMENSION - 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(33mm), Frame height about 1 7/16 inches(36mm), Bridge(DBL) about 11/16 inches(17mm), Temple length about 5 11/16 inches(135mm), with spring hinge.
*Filters 100% of the most damaging low-level blue and nearly 40% high energy visible light from tablets, phones, TV, computers and more.
*Our lenses code is BB40 for the Eyekeeper violet block glasses.