China 1.56 Progressive Lens Manufacturers – 1.60 MR-8 Resin Lenses Offer Stress Free Clear Vision – YOLI

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China 1.56 Progressive Lens Manufacturers – 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)

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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.

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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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emi hmc lens
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eye lens manufacturer

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1.56 Progressive Lens