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Blue Light Blocking Reading Glasses Women Men with Orange Tinted Filter Lens for Sleeping - Computer Readers - Tortoise DS108 Item NO: DS108-DEMI

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US$ 19.99

Size: +0.00 +0.50 +0.75 +1.00 +1.25 +1.50 +1.75 +2.00 +2.50 +3.00

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Eyekepper BB98 lenses - orange tinted lenses with 12 layer coating.100% UV protection.
Test via the spectrometer(the performance of blue light blocking):block 89% within 500nm,block 91% within 490nm,block 93% within 480nm,block 94% within 470nm,block 96% within 460nm,block 98% within 450nm,block more than 99% within 400nm-440nm.
Serious color distortion due to 90% blue color was filtered out.Please check Eyekepper BB40,BB60 and BB90 lenses if you do not like serious color distortion.
The lenses block 90% blue color of online test for color filtering properties.
PRODUCTS DIMENSION - Frame Material is Plastic, Lens width about 2 1/16 inches(52mm), Frame width about 5 3/8 inches(137mm), Lens height about 1 5/16 inches(33mm), Frame height about 1 1/2 inches(38mm), Bridge(DBL) about 1/2 inches(13mm), Temple length about 5 5/16 inches(135mm), with spring hinge

Product Name	Blue Light Blocking Reading Glasses Women Men with Orange Tinted Filter Lens for Sleeping - Computer Readers - Tortoise DS108
Item NO	DS108-DEMI
Weight	0.0100 kg = 0.0220 lb = 0.3527 oz
Category	Computer Glasses > Blue Blocking > Mens Blue Light Blocking Glasses
Tag	BB98
Brand	Eyekepper
Creation time	2019-08-08

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 98% high energy visible light from tablets, phones, TV, computers and more.
Our lenses code is BB98 for the Eyekepper blue block glasses.
We are one of small manufacturer,if you want to custom the different strength for each eye please let us know.

Performance via spectrum analyzer

Data for Eyekepper's BB98

Nearly 100% blue light blocking for wavelength 395nm-500nm



EYEKEPPER CODE	/	BB98
LENS COLOR	Normal Transparent lens	Orange tinted lens with 12 Layer Coating
BLUE LIGHT BLOCK (395nm~500nm, average value)	/	Nearly 100%
UV PROTECT (<400nm)	/	100%
VISIBLE LIGHT (>550nm)	95%	About 60%
VISUAL COLOR DIFFERENCE LEVEL	Almost no color difference	Serious color difference
RGB TEST ONLINE	Could not passed	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

Spectrum analyzer

Blue light meter

UV pen shape light and card

Eyekepper's optical performance meter


Eyekepper will test below data before shipment via the optical properties meter Strength Pupil distance Horizontal position Astigmatism Prism	Note To avoid damage the violet block glasses, never clean the glasses with thefollowing: paper towels clothing alcohol household detergents soaps

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Blue Light Blocking Reading Glasses Women Men with Orange Tinted Filter Lens for Sleeping - Computer Readers - Tortoise DS108 Item NO: DS108-DEMI

Performance via spectrum analyzer

Blue Light Protection Test with Spectrum Analyzer

Eyekepper's optical performance meter

Eyekepper will test below data before shipment via the optical properties meter

Note

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