123456 单体积

US$ 10.00

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123456 单体积

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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 Eyekepper blue light block glasses.
We are one of small manufacturer,if you want to custom the different strength for each eye please let us know.

Data for Eyekepper's BB90

Nearly 90% blue light blocking for wavelength 395nm-500nm



EYEKEPPER CODE	/	BB90
LENS COLOR	Normal Transparent lens	Amber tinted lens with 12 Layer Coating
BLUE LIGHT BLOCK (395nm~500nm, average value)	/	Nearly 90%
UV PROTECT (<400nm)	/	100%
VISIBLE LIGHT (>550nm)	95%	About 80%
VISUAL COLOR DIFFERENCE LEVEL	Almost no color difference	30% color difference
RGB TEST ONLINE	Could not passed	50% variation of blue light tests online