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color 123456 单体积

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SPU: 4439347298362, SKU: White
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  • 详情
    • 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.






    		Normal transparent lens almost no color difference



    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




    Spectrum analyzer

    Blue Light Protection Test with Spectrum Analyzer

    • Spectrum analyzer-Use to test different wavelength from 280nm to 780nm,e.g 400nm,430nm,460nm and 550nm
    Spectrum analyzer

    Spectrum analyzer

    Blue light blocking glasses

    Blue light meter

    UV TEST

    UV pen shape light and card

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