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China Cr39 Lenses Factory – 1.60 MR-8 Resin Lenses Offer Stress Free Clear Vision – YOLI Detail:
Refractive Index 1.60 MR-8™
The best balanced high index lens material with the largest share of refractive index 1.60 lens material
market. MR-8 is suited to any strength ophthalmic lens and is a new standard in ophthalmic lens material.
Comparison of thickness of 1.60 MR-8 lens and 1.50 CR-39 lenses (-6.00D)

Abbe Number: A number that determinesthe viewing comfort of glasses
|
MR-8 |
Polycarbonate |
Acrylic |
CR-39 |
Crown glass |
| Refractive index |
1.60 |
1.59 |
1.60 |
1.50 |
1.52 |
| Abbe number |
41 |
28~30 |
32 |
58 |
59 |
·Both high refractive index and high Abbe number provide optical performance similar to glass lenses.
·High Abbe number material such as MR-8 minimizes the prism effect (chromatic aberration) of lenses and provides comfortable use for all wearers.

Strain Free
MR-8 resin is uniformly polymerized in a glass mold. Compared to injection molded polycarbonate lenses,
MR-8 resin lenses show minimal stress strain and offer stress free clear vision.




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The key to our success is "Good Products Good quality, Reasonable Value and Efficient Service" for China Cr39 Lenses Factory – 1.60 MR-8 Resin Lenses Offer Stress Free Clear Vision – YOLI , The product will supply to all over the world, such as: Hongkong, Tunisia, Slovenia, Many kinds of different products are available for you to choose, you can do one-stop shopping here. And customized orders are acceptable. Real business is to get win-win situation, if possible, we would like to provide more support for customers. Welcome all nice buyers communicate details of products with us!!