Blue Blocking Amber Glasses for Sleep-Nighttime Eyewear-Special Orange Tinted Glasses
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- 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.
- PRODUCTS DIMENSION - Frame material is TR90, Lens width about 2 3/8 inches (61mm), Frame width about 5 5/16 inches (135mm), Lens height about 1 7/16 inches (36mm), Frame height about 1 5/8 inches (41mm), Bridge (DBL) about 3/8 inches (10mm), Temple length about 5 5/16 inches (135mm), without Spring Hinges, Lenses is Aspheric, fit medium head size.
*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.