1.56 Blended Invisible Bifocal Blue Cut/Block Hmc Optical Lens
Price
Min. Order Reference FOB Price
1,000 Pairs US$0.10-5.00 / Pair
Sepcifications
- Usage Lighting, Medical, Optical
- Type Convex Lens
- Transmittance >95%
- Shape Ball, Hemisphere
- Material Cw-55
- Lenses Color Clear
- Certification ISO9001, CE, FDA
- Customized Customized
- Coating HMC
- Transport Package White Envelopes or as Customers" Requirement
- Specification 70/75mm
- Trademark BORIS
- Origin Danyang, Jiangsu, China
- Power Range Sph -0.25~-2.00,0.00~+3.00,Add +1.00~+3.00
- Specific Gravity 1.28
- Abbe Value 35
Product Description
Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to watch the use of the near point, as for the size of the near norm, the nature of ...
