Semi finished 1.56 hmc progressive photochromic blue cut cr39 high index manufacturer cr39 lentes opticos optical lenses lens

The progressive lenses can provide very clear and comfortable vision for near,intermediate and distance. See from the outside
appearance,there is no obvious difference compared with the single vision lens. Advantages:Natural, clear and balanced vision far
and near Low astigmatism, provides visual comfort and easy adaptation.

Our daily life experiences frequent change from indoors to outdoors. Also, we largely rely on digital devices for working,
learning, and entertainment. Natural light condition and digital devices make our eyes exposed to too much harmful UV, glare, and
HEV blue light.

HC= Hard Coating Plastic lenses can be soft and easily scratched. Applying a hard coating is a simple and effective way to increase lens hardness. HMC= Hard Multi Coating This coating is a thin, multi-layered film applied to the lens. These layers help to improve the strength of the lens, improving durability, with resistance to both physical and environmental damage. SHMC=Super Hydrophobic Multi Coating This is an advanced multi coat which makes the lens water & oil repellent.

ShengYa Optical is a professional optical lens manufacturer for more than 10 years in China. All lenses are exported to European countries, Japan, Korea, North and South America, Middle East, Southeast Asia and Africa market. We guarantee the quality to all buyers all over the world, and got a high reputation about quality from buyers in the past 10 years exporting time. In ShengYa optical, you can find high quality lenses with the most competitive prices