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China Optical Lens Manufacturers – 1.56 Middle Index Finished Single Vision Lenses – YOLI Detail:
UV Protection
The UV rays in sunlight can be harmful to the eyes.
Lenses that block 100% UVA and UVB help to ward off the damaging effects of UV radiation.
Photochromic lenses and most quality sunglasses offer UV protection.
![uncut lenses](//www.youlilens.com/uploads/uncut-lenses.jpg)
Scratch-Resistance
Scratches on lenses are distracting,
unsightly and in certain conditions even potentially dangerous.
They can also interfere with the desired performance of your lenses.
Scratch-resistant treatments toughen up the lenses making them more durable.
![149 optical lens](//cdn.globalso.com/youlilens/149-optical-lens.jpg)
![149 uc lens](//cdn.globalso.com/youlilens/lenses.jpg)
The Differences Between 1.50 and 1.56 Lenses?
The difference between 1.56 mid-index and 1.50 standard lenses is thinness.
Lenses with this index reduce lens thickness by 15 percent.
Full-rim eyewear frames/glasses worn during sports activities are most suitable for this lens index.
Aspheric lens advantages
Generally speaking, the spherical lens is thicker; the imaging through the spherical lens will deform.
The aspheric lens, is thinner and lighter, and make a more natural and realistic image.
![149 uc lens](//cdn.globalso.com/youlilens/stock-uncut-lenses.jpg)
![149 optical lens](//cdn.globalso.com/youlilens/149-cr39.jpg)
Anti-reflective Treatments(AR)
For fashion, comfort and clarity, anti-reflective treatments are the way to go.
They make the lens nearly invisible, and help cut glare from headlights, computer screens and harsh lighting.
AR can enhance the performance and appearance of just about any lenses!
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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for China Optical Lens Manufacturers – 1.56 Middle Index Finished Single Vision Lenses – YOLI , The product will supply to all over the world, such as: Chicago, Georgia, Botswana, We always adhere to follow the honesty, mutual benefit, common development, after years of development and the tireless efforts of all staff, now has perfect export system, diversified logistics solutions, comprehensive meet customer shipping, air transport, international express and logistics services. Elaborate one-stop sourcing platform for our customers!