| Function: | for Presbyopic, for Astigmia, UV Protection, for Myopia |
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| Age Group: | All |
| Gender: | Unisex |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 1.67 single vision No Base Color blue cut optical lens
What Is Blue Light?
Wavelength between 400 nanometers to 500 nanometers, our human eyes feel the color, is blue, so this band we call blue, but not all blue light is harmful to the human eye, the French Institute of Visual Science research found that the blue light harmful to the human eye wavelength range of 415~455 nanometers, called harmful blue light.
The dangers of blue Light
Blue light will aggravate macular disease.Blue light can cause fundus damage after cataract surgery, and excessive exposure may cause permanent vision damage. Blue light can cause blurred vision, resulting in visual fatigue and VDT syndrome. Blue light can predict the secretion of melatonin, disturb sleep, and increase the incidence of major diseases.
Anti-blue lens suitable for the crowd:
Gamers of digital products such as tablets and mobile phones; White-collar workers and urban E-people who often face computers; Middle-aged and elderly people who have been harmed by various electromagnetic radiation, blue light and ultraviolet light for a long time.
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Place of Origin
Jiangsu, China
Diameter
65/70/75mm
Thickness
blue cut lens
Type
Two-piece
Model Number
optical lens blue block
Lenses Material
Resin
Vision Effect
Single Vision
Coating
HMC
Lenses Color
Clear
Index
1.67
Power range
Sph: 0~-15.00, 0~+6.00, Cyl: 0~-4.00
Function
blue light lens
Key Words
blue cut lens
Product name
optical lens blue block
Style
anti blue ray blue lens
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Productive progress:
1.Merging Mould2.Injection Mould3.Solidifying4.Cleaning5.UC Inspection6.Hard Coating7.HC Inspection8.Multi Coating9.HMC Inspection 10.Automatic Packing11.Storage
Suppliers with verified business licenses
Audited Supplier 
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