In recent years, with the development of the optics industry and technology. More and more glasses users hasn’t satisfied with ordinary 1.56 index lenses.
Therefore, thinner, lighter, and more advanced high-index lenses have become the more popular. Then what high-index lenses are available?
1. 1.60 Index
1.60 index lenses are the basic high-index lenses. They are thinner than 1.56 series lenses for the same power, so it is more light and beautiful when you wear glass in whole days.
They also offer a wider power range: SPH: 0.00~-10.00 CYL: 0.00~-6.00, can meet more users needs especially for high prescription users.
There are PMMA and MR-8 materials in option for 1.60 index lenses. Due to the different material features, their prices also differ.
PMMA material is more cheaper and posses the lighter and thinner features. Currently, the most popular models of 1.60PMMA none-base blue-cut lens and the 1.60PMMA photochromic 7 colors blue cut lens.
Compare to PMMA material MR-8 has better performance, it can be drilled holes in the lens surface, making it suitable for semi-rimless or rimless glasses.
Because of better performance, MR-8 lens it more expensive than PMMA and it is usually used in designed high end series glasses.
Now in trust industrial the most popular model is the 1.60MR-8 none base blue cut lens.
If you want to better understand the differences between PMMA and MR-8 materials, you can refer to this article：
In addition, we have a good news to share, to deal with the issue of dark lens base color mentioned by our customers.
we have replaced the original MR-8 material with the new imported MR-8 material. so the dark base color issues will not appear in feature.
2. 1.67 Index
1.67 index lenses are advanced version of 1.60 index lenses. They are more thinner, lighter, and have a wider power range than 1.60 index lenses at same power.
SPH: +6.00~-15.00 CYL: 0.00~-6.00, making them very friendly to middle-high prescription users, allowing them to leave the heavy lenses.
1.67 lenses use MR-7 material, which is also an ultra-tough material, so you can drill holes in the lens and don’t worry about the lenses breaking. MR-7 lens also can suitable for semi-rimless and rimless glasses.
Because of high performance 1.67 MR-7 lens are chose by more and more lenses distributors to make the business upgrade.
Especially the 1.67 MR-7 blue cut lens, which is becoming a popular choice for distributors to keep in stock.
As Chinese lens factory, to better serve wholesalers, we have stocked this model, for 500pairs order we can delivery within 3-5 days and can also offer wholesalers highly competitive prices to help them gain a market advantage
3. Index 1.74
1.74 index is currently the highest for lenses index, therefore it is the thinnest lens at the same power in market.
It’s advanced vision of 1.67 index lens. More thinner and lighter than 1.67 index lenses, and offers a more wider power range: SPH: 0.00~-18.00, CYL: 0.00~-6.00.
It can reduce thickness by approximately 20%-40% for high prescriptions, it greatly improved the comfort of high prescription users and users who long time wear glasses.
So for high prescription users and users who long time wear glasses 1.74 index lens become the best choice.
Now more and more distributor start sample order and trial order to test the market, especially for 1.74 ultra thin blue cut lens.
Comparison of lens thicknesses: 1.60/1.67/1.74
Want to place a trial order to test market feedback?
Contact us now for high-quality samples.
