What is 1.59 Polycarbonate Single Vision Hmc UV++ UV420 Blue Cut Blue Cotaing Hmc Eyeglasses Optical Reading Lenses PC Lens
Price
Purchase Qty. Reference FOB Price
1,000-1,999 pair US$2.49
2,000-4,999 pair US$2.45
5,000+ pair US$2.40
Sepcifications
- Function UV Protection, for Myopia
- Age Group Adults
- Gender Unisex
- Suitable for Face All Face
- Material Plastic
- Type Photochromic Lens
- Coating Hmc,EMI,Shmc
- Lenses Color Clear
- Transport Package Carton
- Trademark OEM
- Origin China
- Index 1.59
- Specific Gravity 1.2
- Abrasion Resistance 8h
- Transmission 98`99%
- Design Spherical
- Diameter 65/70
- Abbe Value 31
- Multi Color Green
Product Description
What is blue light? Blue light generally is defined as visible light ranging from 380 to 500 nm. Blue light sometimes is further broken down into blue-violet light (roughly 380 to 450 nm) and blue-turquoise light (roughly 450 to 500 nm). So approximately one-third of all visible light is ...
