China Freeform Progressive Lens Factory –  Ultra Thin High Index 1.74 Lenses  – YOLI

China Freeform Progressive Lens Factory – Ultra Thin High Index 1.74 Lenses – YOLI

China Freeform Progressive Lens Factory – Ultra Thin High Index 1.74 Lenses – YOLI

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We insist on offering high quality production with good business concept, honest sales and the best and fast service. it will bring you not only the high quality product and huge profit, but the most significant is to occupy the endless market for Single Vision Lenses , Blue Light Lens , Photochromic Lens Market , We are able to customize the solutions according to your needs and we can easily pack it for you when you purchase.
China Freeform Progressive Lens Factory – Ultra Thin High Index 1.74 Lenses – YOLI Detail:

lens glasses

What Are High Index 1.74 Lenses?

If You Have A Very Strong Prescription, You Should Consider Ultra Thin High Index 1.74 Lenses.

High Index 1.74 lenses are the thinnest, flattest, and most cosmetically appealing lens ever developed.

These ultra thin lenses are nearly 40% thinner than plastic and 10% thinner than 1.67 high index lenses, offering you the ultimate in technology and cosmetics. The thinner lens is much more flattering, reducing the distortion that high prescriptions cause when made with lower quality lenses.

What lens thickness should I choose?

If you’re moderately, or very short-sighted you’ll benefit from thinner lenses as the edge thickness of your lenses will be more visible.

Lenses with a refractive index of 1.6 are ideal for prescriptions where the value of your SPH prescription is between -2.50 and -4.00.

Between -4.00 and -6.00 we’d recommend a lens with a refractive index of 1.67, and any prescriptions over that a lens with a refractive index of 1.74 will be more suitable.

If your prescription is over -5.00 we’ll need an accurate measurement of the distance between your pupils, often referred to as the PD.

Because lenses for long and short-sightedness are different, there are different considerations for each.

174 high index lenses
spectacle lens manufacture

Hi-index 1.74 lenses are perfect for

1. Suitable for high power prescriptions in ranges +10.00 to -10.00
2. Not recommended for semi-rimless or rimless glasses
3. Exceptional scratch durability
4. Exceptional optical Clarity
5. 50% thickness reduction
6. 30% weight reduction
7. Suitable for large sized frames


Product detail pictures:

China Freeform Progressive Lens Factory –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Freeform Progressive Lens Factory –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Freeform Progressive Lens Factory –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Freeform Progressive Lens Factory –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Freeform Progressive Lens Factory –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures


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The organization upholds the philosophy of "Be No.1 in good quality, be rooted on credit history and trustworthiness for growth", will keep on to provide previous and new customers from home and overseas whole-heatedly for China Freeform Progressive Lens Factory – Ultra Thin High Index 1.74 Lenses – YOLI , The product will supply to all over the world, such as: Algeria, Florence, Mongolia, All the imported machines effectively control and guarantee the machining precision for the products. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality products and have the ability to develop new products to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.
  • The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Olive from Armenia - 2017.11.12 12:31
    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Mary from Chile - 2017.08.28 16:02
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