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Wholesale Freeform Progressive Lens Factories – 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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With this motto in mind, we've got develop into amongst one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Wholesale Freeform Progressive Lens Factories – 1.60 MR-8 Resin Lenses Offer Stress Free Clear Vision – YOLI , The product will supply to all over the world, such as: Montpellier, Nepal, Oman, To let customers be more confident in us and get the most comfortable service, we run our company with honesty, sincerity and best quality . We firmly believe that it is our pleasure to help customers to run their business more successfully, and that our professional advice and service can lead to more suitable choice for the customers.