/infanticidal692935.html,Light,Protection,Blue,$9,Health Household , Vision , Reading Glasses,F,Reading,Glasses,UV420,Computer,Eyekepper,kula.hacca.jp $9 Eyekepper Computer Reading Glasses,UV420 Protection Blue Light F Health Household Vision Reading Glasses Eyekepper Computer Reading Glasses UV420 Great interest Light Protection Blue F Eyekepper Computer Reading Glasses UV420 Great interest Light Protection Blue F $9 Eyekepper Computer Reading Glasses,UV420 Protection Blue Light F Health Household Vision Reading Glasses /infanticidal692935.html,Light,Protection,Blue,$9,Health Household , Vision , Reading Glasses,F,Reading,Glasses,UV420,Computer,Eyekepper,kula.hacca.jp

Eyekepper unisex Computer Reading Glasses UV420 Great interest Light Protection Blue F

Eyekepper Computer Reading Glasses,UV420 Protection Blue Light F

$9

Eyekepper Computer Reading Glasses,UV420 Protection Blue Light F

|||

Product Description

  • 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 40% high energy visible light from tablets, phones, TV, computers and more.
  • Our lenses code is BB40 for the Eyekepper violet 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 Transparent lens with 12 Layer Coating of Eyekepper almost no color difference Transparent lens with 12 Layer Coating of Eyekepper almost no color difference Amber Tinted with 12 Layer Coating of Eyekepper Medium color difference Orange Tinted with 12 Layer Coating of Eyekepper Serious color difference
EYEKEPPER CODE / BB40 BB60 BB90 BB98
LENS COLOR Normal Transparent lens Transparent lens with 12 Layer Coating of Eyekepper Transparent lens with 12 Layer Coating of Eyekepper Amber Tinted with 12 Layer Coating of Eyekepper Orange Tinted with 12 Layer Coating of Eyekepper
BLUE LIGHT BLOCK (395nm~500nm, average value) / About 40% About 60% About 90% Nearly 100%
UV PROTECT (lt;400nm) / 100% 100% 100% 100%
VISIBLE LIGHT (gt;550nm) 95% About 90% About 90% About 80% About 60%
VISUAL COLOR DIFFERENCE LEVEL Almost no color difference Almost no color difference Low color difference Medium color difference Serious color difference
RGB TEST ONLINE Could not passed Could not passed 30% variation of blue light tests online 70% variation of blue light tests online 95% variation of blue light tests online
Spectrum analyzerSpectrum 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
Blue light blocking glassesBlue light blocking glasses

Blue Light Protection Test with Blue Light Meter

  • 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
UV TESTUV TEST

Blue Light Protection Test with UV Pen Shape Light and Card

  • Only use to test the data less than 400nm for UV light ,can not use to test the blue light for wavelength more than 400nm
Spectrum analyzerSpectrum analyzer

Spectrum analyzer

Blue light blocking glassesBlue light blocking glasses

Blue light meter

UV TESTUV TEST

UV pen shape light and card

"tbody" "th" Frequently bought together "th" Frequently bought together "th" Frequently bought together "th" Frequently bought together "th" Frequently bought together
"div"

Eyekepper Computer Reading Glasses,UV420 Protection Blue Light F