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China 1.67 Lenses Progressive Companies – 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.




Product detail pictures:
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We intention to see quality disfigurement within the creation and supply the ideal support to domestic and overseas buyers wholeheartedly for China 1.67 Lenses Progressive Companies – 1.60 MR-8 Resin Lenses Offer Stress Free Clear Vision – YOLI , The product will supply to all over the world, such as: Mumbai, Surabaya, Provence, With more and more Chinese products around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to offer you both better products and service, because we are more and more powerful, professional and experience in domestic and international.