Eyekepper Computer Glasses Blue Light Filter Eyeglasses Anti Blue Glare Blocking UV Rays Men Women, Black

Eyekepper Computer Glasses Blue Light Filter Eyeglasses Anti Blue Glare Blocking UV Rays Men Women, Black

Eyekepper

270کیلوگرم

B01EA5WF1W

784000

784000

0%

available

Product Description,Per the Occupational Safety and 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.,Performance via spectrum analyzer,Data for Eyekeppers BB40,40% blue light blocking for wavelength 395nm-500nm,Data for Eyekeppers BB60,60% blue light blocking for wavelength 395nm-500nm,Data for Eyekeppers BB90,90% blue light blocking for wavelength 395nm-500nm,Data for Eyekeppers BB98,Nearly 100% blue light blocking for wavelength 395nm-500nm,Read more,EYEKEPPER CODE,/,BB40,BB60,BB90,BB98,LENS COLOR,Normal Transparent lens,Transparent lens with 7 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 ((400nm),/,100%,100%,100%,100%,VISIBLE LIGHT ()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,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 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,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 analyzer,Blue light meter,UV pen shape light and card,Eyekeppers optical performance meter,Eyekepper will test below data before shipment via the optical properties meter,Strength,Pupil distance,Horizontal position,Astigmatism,Prism,Blue light Spectral distribution,If you are unfamiliar with blue light its right next to UV light on the spectrum of light. It is comprised of very high energy and a low wavelength very similarly to UV light. All of our electronic devices with a back-lit screen give off large quantities of blue light (Iphones, Ipod, Laptop, Computer TV.) T,his blue light messes with our internal clock making us think its mid day when really it can be closer to night and stops our body from naturally producing the melanin that helps us fall asleep late at night,Note,To avoid damage the violet block glasses, never clean the glasses with thefollowing:,paper towels,clothing,alcohol,household detergents,soaps,Read more,Oprah Blue Light Blocking Reading Glasses Anti Glare Digital Eyestrain Reader,Blue Light Blocking Glasses Amber Tint Anti Glare UV Digital Eyestrain,Vintage Computer Glasses for Women Men Reading Computer Screen,Blue Blocking Glasses Anti UV Rays Orange Filter Readers,Blue Blocking Amber Glasses for Sleep Nighttime Eye Wear Special Orange Tinted,Blue Light Filter Glasses for Men Women Reading Computer Blocking UV Rays