White 1.499 Index Flat Top Bifocal Lenses Without Coating CR39 Material

CR39 White 1.499 Flat-top Uncoated Prescription Eyeglass Lenses For Bifocal Vision Without coating
 
I. Specifications:

 
II. Features:

● CR-39 lenses use the imported CR-39 raw monomer, which is one of the longest history of resin materials and the most widely sold lens in middle level country. 

1) Hardness: The better other 1.56/1.61/1.67/1.74 index lenses in hardness and toughness, high impact resistance.

2) Tintable: The more easily tinted than 1.56/1.61/1.67/1.74 index lenses.

3) Transmittance: The higher transmittance as compared with other 1.56/1.61/1.67/1.74 index lenses.

4) ABBE: The higher ABBE value providing the most comfortable vision.

● The advantage of the FT bifocal lens.

1) This is a very convenient type of lens  that  allows the wearer to focus on objects  both at close range and far range through  a  single lens.    2)This type of lens is designed  to enable  viewing of objects in the distance, at  close range and in the intermediate  distance with corresponding changes in  power for each distance.

● How bifocal lens work?

Bifocal lenses are perfect for people suffering from presbyopia- a condition in which a person experiences blurred or distorted near vision while reading a book. To correct this problem of distant and near vision, bifocal lenses are used. They feature two distinct areas of vision correction, differentiated by a line across the lenses. The top area of the lens is used for seeing distant objects while the bottom part corrects the near-vision

III. Technical Data:

IV. Producing Process:

V. Packing&Shipping:
 

VI. FAQ:

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

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

3. Q: Can your products be customized?
A: 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.

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

5. Q: Do you have stock products to sell?
A: Yes.We have a lot of inventory .