• EYEKEPPER, a brand of professional, affordable blue light blocking glasses that aims to help you reduce eye strain to see the digital screen. Get unique computer glasses from EYEKEPPER and enjoy the reading of eyesight benefits and stylish features.
• 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)
• Our lenses code is BB98 for the EYEKEPPER blue light block glasses.

WHY CHOOSE EYEKEPPER ?

√ More professional blue ray blocking — Glasses lens are designed using the American HEV-Adsorb substrate absorption technology.It can absorb high-energy blue light.

√ Stronger UV protection — Anti-Blu-ray Lenses utilize special U.S. substrate processing technology to protect the eyes from ultraviolet radiation and block UV420 not just UV400.

• Use to test wavelength is 450nm
• The data of left is visiable light,the data of middle is blue light remaining,the data of right is UV light remaining.
• EYEKEPPER glasses are specially designed to filter out a portion of harmful blue light.

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