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China Lens Optical Factories – 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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Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for China Lens Optical Factories – 1.56 Middle Index Finished Single Vision Lenses – YOLI , The product will supply to all over the world, such as: USA, Milan, Grenada, "Good quality, Good service " is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We have been willing to establish long business relationship with all those who seek the high quality products and good service. We've got set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our expert experience and high quality grades will contribute to your business.