- Products Dimension - Frame material is Plastic, Lens width about 1 7/8 inches (48mm), Frame width about 5 1/2 inches (140mm), Lens height about 1 7/16 inches (36mm), Frame height about 1 7/8 inches (47mm), Bridge (DBL) about 1/2 inches (12mm), Temple length about 5 1/2 inches (140mm), with spring hinge.
- Eyekepper BB40 lenses - Transparent lenses with coating. 100% UV protection.
- Test via the spectrometer(the performance of blue light blocking) - Block 29% within 500nm, block 32% within 490nm, block 33% within 480nm, block 35% within 470nm, block 36% within 460nm, block 37% within 450nm, block 39% within 440nm, block 51% within 430nm, block 93% within 420nm, block more than 99% within 400nm-410nm.
- The lenses do not block blue color of online test for color filtering properties. Please check Eyekepper BB60, BB90 and BB98 lenses if you need block blue color and block more blue light.
- Worry-Free Shopping - In case any broken problem happens, contact the seller of Eyekepper without hesitation to solve the problem until satisfaction. Eyekepper provides lifetime after sale service for all Eyekepper reading glasses. Customers can return and get refunded for any reason. You have no risk to try.
Product description 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) 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 BB40 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. WE ARE DIFFERENT! Data for Eyekepper's BB40 40% blue light blocking for wavelength 395nm-500nm 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. Color Distortion Almost no color difference. The premium features of EYEKEPPER lenses, make screen time more comfortable and help eliminate symptoms of digital eyestrain. Spectrum Analyzer Amber Tinted with 12 Layer Coating of Eyekepper Cut 100% of UV420,UVA and UVB Protect our eyes Tinted lenses - great for outdoor reading. Whether you are looking for reading glasses for the office or home. Our reading glasses will give you the premium protection you are looking for Eyekepper 4 Pack Reading Glasses Oversized Square Blue Light Blocking Eyeglasses Eyekepper 4 Pack Computer Glasses Oversized Design Blue Light Filter Eyeglasses Eyekepper 4 Pack Reading Glasses Blue Light Blocking Stylish Computer Glasses Eyekepper 4 Pack Oversized Blue Light Filter Glasses Women Eyekepper 4 Pack Large Reading Glasses Blue Light Blocking for Women Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 3 2 931 1,441 — Price — no data $17 49 $13 99 $13 29 $18 99 Spring Hinge ✓ ✓ ✓ ✓ ✓ Item Shape Square Square Square Square Square
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