Purchase Qty. Reference FOB Price
1-499 pair US$10.00
500+ pair US$0.10
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 ...