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Danyang Lens Manufacturer Finished Single Vision Lens 1.61 Acrylic Stock Lens Ophthalmic
Danyang Lens Manufacturer Finished Single Vision Lens 1.61 Acrylic Stock Lens Ophthalmic
Danyang Lens Manufacturer Finished Single Vision Lens 1.61 Acrylic Stock Lens Ophthalmic
Danyang Lens Manufacturer Finished Single Vision Lens 1.61 Acrylic Stock Lens Ophthalmic
Danyang Lens Manufacturer Finished Single Vision Lens 1.61 Acrylic Stock Lens Ophthalmic
Danyang Lens Manufacturer Finished Single Vision Lens 1.61 Acrylic Stock Lens Ophthalmic

Danyang Lens Manufacturer Finished Single Vision Lens 1.61 Acrylic Stock Lens Ophthalmic

Min.Order: 1
Product origin: Zhenjiang, Jiangsu, China
Infringement complaint: complaintComplaint
US$ 0.1 ~ 10

Description
What is 1.61 High-Index Lenses?

1.61 High-Index lenses bend light more efficiently and have thinner edges than lenses with the same prescription power made of conventional plastic material. They require less material, which reduces their overall weight.

1.61 ASP UV400 Optical Lenses
Product Name1.61 ASP UV400 Optical Lenses
Diameter65/70/75MM
MonomerMR-8
Abbe value41
Specific Gravity1.30
Power RangeSPH:0.00~ -20.00 0.00~+16.00 CYL: 0.00~ -6.00

Comparison of physical properties of lenses
 MR-8MR-7MR-174Polycarbonate(PC)NK-55CR39
Referactive Index1.611.671.741.591.561.49
Abbe Value4132333237.558
Specific Gravity1.30 1.351.471.20 1.281.32
Diameter65/70/7565/70/7565/70/7565/70/7555/60/65/7255/60/65/70
Impact
Resistance		GoodGoodGoodGoodGoodGood
Static Load
Resistance		GoodGoodGoodGoodGoodGood


Details:

1.What is an Aspheric Lens?
Traditional lenses have a bulgy, curved shape. Imagine the spherical surface of a ball. An aspheric lens is designed with less curvature than its traditional counterpart. Think: flatter and thinner. In both farsighted and nearsighted prescriptions, aspheric lenses provide a slimmer profile and minimize eye distortion without compromising optical quality.


2.Benefits of Aspheric Lenses
 
  • Less bulging of the lens, giving you a sleeker profile
  • More frame options for individuals with strong eyeglass prescriptions or reading powers
  • A more natural appearance of the eye (reduces the eye magnification that occurs with farsightedness and the smaller appearance of the eye that occurs with nearsightedness)


3.What is UV 400?

Simply put, UV 400 means that the lenses will block Ultraviolet (UV) waves shorter than or equal to 400 nano-meters (nm). All UV waves come in different lengths as shown in the chart below.



Advantages:

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About Our Factory:




FAQ:

Q. How many days will samples be finished? How about mass products?

A. Generally, we need 1~2 days to finish the sample production. As for the mass products, it depends on your order quantity.

 

Q. How can I get sample from you?

A. Just send us your requirements, then we will send samples accordingly.

 

Q. What is the MOQ of optical lens?

A. No MOQ for customer if optical lens is in stock.

 

Q. How do you control lens quality?

A. Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out .Four times quality checking during production process.

 

Q. How about your optical lens production ability per day?

A. About 20000 pairs/day.

 

Q. Are you a factory?

A. Yes, we are a professional optical lens manufactruer in China, and have a factory in Danyang city, Jiangsu province.

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