Prescription Optical Lenses Cr39 1.499 UC Optical Lens Flat Top Bifocal for Far and Near Vision Optical Lens

• Function: for Presbyopic, for Astigmia, UV Protection, for Myopia
• Material: Cr39
• Type: Anti-Reflective Lens
• Coating: UC
• Lenses Color: Clear
• Refractive Index: 1.499
• Model NO.: CR39 1.499 Flat Top Bifocal Lens
• Abbe Value: 58
• Flat Top Segment: 28
• Specific Gravity: 1.32
• Diameter: 70mm
• Power Range: Sph:0.00~+3.00 0.00~-2.00 Add:+1.00~+3.00
• Specification: 70MM
• Trademark: Seesen
• Origin: Danyang, China

Product Description

1.499 Flat-Top28 Bifocal  Optical lens

Product Name	1.499 Flat-Top28 Bifocal  Optical lens
Diameter	70mm
Monomer	CR39
Abbe value	58
Specific Gravity	1.32
Power Range	Sph:0.00~+3.00 0.00~-2.00 Add:+1.00~+3.00

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.

 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.

 
About the Coating:
About the Custom Service:

Advantages:

About Our Factory:



 

 

Choice 1
Envelope	Carton	Size
White Envelope	Stand Export Carton	38cm*48cm*35cm
Choice2
You design with your logo
Type	Lenses Pair	Weight
Finished lens	about 500 pairs	20KGS
Semi-finished lens	about 100pairs	15KGS
Lead time	Depend on the quality
Depend on the quantity	We can choose for you or offer us your cooperative company
All the numbers provided above are estimated number, the actual numbers need to be measured according to the order you make.

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 .