- Overview
- Product Description
- Product Parameters
- Company Profile
- Installation Instructions
Basic Info.
Product Description
1.67 single vision blue cut SHMC 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.
| 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 SHMC
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 Mould
2.Injection Mould
3.Solidifying
4.Cleaning
5.UC Inspection
6.Hard Coating
7.HC Inspection
8.Multi Coating
9.HMC Inspection 
10.Automatic Packing
11.Storage