Test via the spectrometer(the performance of blue light blocking): block 35% within 500nm, block 42% within 490nm, block 49% within 480nm, block 55% within 470nm, block 60% within 460nm, block 64% within 450nm, block 67% within 440nm, block 77% within 430nm, block 97% within 420nm, block more than 99% within 400nm-410nm.
20% color distortion due to 30% blue color was filtered out.
The lenses block 30% blue color of online test for color filtering properties. Please check Eyekepper BB90 and BB98 lenses if you need block more blue color and blue light.
PRODUCTS DIMENSION - Frame material is plastic, Lens width about 2 1/16 inches (52mm), Frame width about 5 7/16 inches (138mm), Lens height about 1 7/16 inches (37mm), Frame height about 1 5/8 inches (42mm), Bridge (DBL) about 1/2 inch (13mm), Temple length about 5 5/16 inches (135mm), with Spring Hinges, Lenses is Aspheric, fit medium to wide head size.
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 amp; 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 BB60 for the EYEKEPPER blue light block glasses.
BLUE LIGHT IS EVERYWHERE!
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.
WE ARE DIFFERENT!
Data for Eyekepper's BB60
60% blue light blocking for wavelength 395nm-500nm.
30% variation of blue light tests online.
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.
LET EYEKEPPER PROTECT YOUR EYES!
Low color difference.
20% color distortion due to 30% blue color was filtered out.
The premium features of EYEKEPPER lenses, make screen time more comfortable and help eliminate symptoms of digital eyestrain.
Amber Tinted with 12 Layer Coating of Eyekepper
Cut 100% of UV420,UVA and UVB
To avoid damage the violet block glasses, never clean the glasses with thefollowing:
Eyekepper Cat Eye Women Oversized Blue Blocking Glasses Anti Digital Glare
We believe in a world beyond ordinary - a place where normal gets put firmly in its place.
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A major clinical trial, led by experts at the University of Nottingham, will investigate whether some of the 1.3 million most vulnerable people on long-term immune suppressing medicines can mount a more robust immune response to Covid-19 booster jabs by interrupting their treatment for two weeks after vaccination.