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

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

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

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Wholesale 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:

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

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

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

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

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


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We always follow the principle "Quality Very first, Prestige Supreme". We have been fully committed to delivering our customers with competitively priced high-quality products and solutions, prompt delivery and experienced services for Wholesale Freeform Progressive Lens Factory – Ultra Thin High Index 1.74 Lenses – YOLI , The product will supply to all over the world, such as: Israel, Lithuania, Canberra, All the employees in factory, store, and office are struggling for one common goal to provide better quality and service. Real business is to get win-win situation. We would like to provide more support for customers. Welcome all nice buyers to communicate details of our products with us!
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