Cheap Optical Lens UV420 Protection 1.59 Polycarbonate PC Blue Cut Hmc for Blocking Blue Light Glasses

• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Polycarbonate
• Type: Anti-Reflective Lens
• Coating: HMC
• Lenses Color: Clear
• Abbe Value: 33
• Model NO.: 1.59 Polycarbonate PC UV420 Blue Cut HMC
• Specific Gravity: 1.22
• Power Range: Sph: -6.00~+6.00 Cyl: 0.00~-6.00
• Diameter: 65/73mm
• UV Value: UV420 Protection
• Transmission: > 97%
• Refractive Index: 1.59
• Keywords: Polycarbonate Blue Cut Lens
• Trademark: Seesen
• Origin: Danyang, China

Product Description

It's part of the visible light spectrum, which comes from both the sun and artificial light sources like digital screens and fluorescent lights. This type of light gets absorbed deep in the eye, making it potentially impacting to long-term vision. Overexposure to blue-violet light or Harmful Blue Light, especially outside in the sun and through constant use of electronic devices and screens, is why protecting your vision has never been more important.



1.59 Polycarboante PC Blue Cut HMC Lens
 

Product Name	1.59 Polycarboante PC Blue Cut HMC Lens
Diameter	65/73MM
Monomer	Polycarbonate
Abbe value	33
Specific Gravity	1.22
Power Range	SPH: -6.00~+6.00 CYL: 0.00~-6.00

How To Protect Your Eyes From Harmful Blue Light?



What is the usage of the Polycarbonate lens?

Lighter and thinner than traditional plastic lenses makes Polycarbonate lenses great choice for people with active lifestyles who desire suitable, protection, and performance with a thinner and lighter lens. 




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 the Coating:



About our Factory


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.