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

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

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

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

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

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

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

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


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We pursue the administration tenet of "Quality is remarkable, Services is supreme, Status is first", and will sincerely create and share success with all customers for China Freeform Progressive Lens Suppliers – Ultra Thin High Index 1.74 Lenses – YOLI , The product will supply to all over the world, such as: Las Vegas, Provence, Costa Rica, Our items are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our merchandise and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".
  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Julie from Finland - 2018.06.21 17:11
    The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Karl from Seattle - 2018.06.30 17:29
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