Blue Light Blocker Eye Lens Hmc Optical Lens 1.61 Asp UV420 Blue Cut Spin Photochromic Cheap Price Photochromic Sv Photo Lenses

• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Mr-8 (Imported From Korea)
• Abbe Value: 41
• Specific Gravity: 1.30
• Power Range: Sph:0.00~-8.00 +0.25~+6.00 Cyl:0.00~-6.00
• Diameter: 65/70/75mm
• Model NO.: 1.61 ASP UV420 Blue Cut HMC Spin Photochromic HMC
• UV Value: 420
• Transmission: > 97%
• Keywords: 1.61 Blue Cut Photochromic Optical Lens

Product Description

1.61 ASP UV420 Blue Cut SPIN Photochromic HMC Optical Lens

Product Name	1.61 ASP UV420 Blue Cut SPIN Photochromic HMC Optical Lens
Diameter	65/70/75MM
Monomer	MR-8 (imported from Korea)
Abbe value	41
Specific Gravity	1.30
Power Range	Sph:0.00~-8.00 +0.25~+6.00 Cyl:0.00~-6.00

Details:

Blue Cut Lenses
 

Blue light is part of the visible light spectrum, just next to violet. Studies show that the blue-violet light emitted by many digital screens is the most harmful to eyes, according to the Paris Vision Institute.

Protect your eyes from blue light

♦. Avoid damages to macular caused by blue light.
♦. Protect macular the acutest part of vision from blue light and segregate its damages.
♦. Make sight more clear and increase the contrasting of red and green. Also reducing the forming of halo and influence of eyesight by blue light will ensure traffic safety.


Photochromic Lens 

Photochromic lenses are available in nearly all lens materials and designs, including high indexes , bifocal and progressive. An added benefit of photochromic lenses is that they shield your eyes from 100 percent of the sun's harmful UVA and UVB rays.

Comparison of physical properties of lenses

	MR-8	MR-7	MR-174	Polycarbonate(PC)	NK-55	CR39
Referactive Index	1.61	1.67	1.74	1.59	1.56	1.49
Abbe Value	41	32	33	32	37.5	58
Specific Gravity	1.30	1.35	1.47	1.20	1.28	1.32
Diameter	65/70/75	65/70/75	65/70/75	65/70/75	55/60/65/72	55/60/65/70
Impact Resistance	Good	Good	Good	Good	Good	Good
Static Load Resistance	Good	Good	Good	Good	Good	Good

About Our Company:

FAQ:

1. Are your company a manufacturer or a trade company?
We are a manufacturer with many years exporting experience. Our factory is located in Jiangsu province.

2. Can your products be customized?
We accept OEM &ODM orders. Actually most of our products are customized. We will try our best to fulfill your requirements about the material, the size, the printing.

3. How can I get sample from you?
Just send us your requirements, then we will send samples accordingly.

4. How many days will samples be finished? How about mass products?
Generally, we need 5-7 days to finish the sample production.As for the mass products, it depends on your order quantity.

5. How do you control lens quality?
Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out .Four times quality checking during production process.