Blue Block Cr 39 Lenses1.59 Polycarbonate PC UV420 Blue Cut Hmc PC Optical Lenses

• Customization: Available
• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Polycarbonate
• Model NO.: 1.59 Polycarbonate PC UV420 Blue Cut HMC
• Abbe Value: 33
• 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

Product Description

What is harm for blue light?
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.

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

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

Details:

What is polycarbonate?

• it is a good protection for children who are tough on their specs.
• It's lighter than glass lens, making it more comfortable to wear for long periods of time.

About the Coating:


Custom Service:

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.