China Optical Lens Cr39 Factories –  Ultra Thin High Index 1.74 Lenses  – YOLI

China Optical Lens Cr39 Factories – Ultra Thin High Index 1.74 Lenses – YOLI

China Optical Lens Cr39 Factories – Ultra Thin High Index 1.74 Lenses – YOLI

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China Optical Lens Cr39 Factories – 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 Optical Lens Cr39 Factories –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Optical Lens Cr39 Factories –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Optical Lens Cr39 Factories –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Optical Lens Cr39 Factories –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures

China Optical Lens Cr39 Factories –  Ultra Thin High Index 1.74 Lenses  – YOLI detail pictures


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We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for China Optical Lens Cr39 Factories – Ultra Thin High Index 1.74 Lenses – YOLI , The product will supply to all over the world, such as: Cyprus, Netherlands, South Korea, With a team of experienced and knowledgeable personnel, our market covers South America, the USA, the Mid East, and North Africa. Many customers have become our friends after good cooperation with us. If you have the requirement for any of our products, please contact us now. We are looking forward to hearing from you soon.
  • High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Lynn from Macedonia - 2017.12.19 11:10
    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
    5 Stars By Jo from Belgium - 2018.09.29 17:23
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