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Product Video
Product Description
| Index | 1.49 |
| Diameter | 70mm |
| Monomer | CR39/PPG |
| Coating Choice | UC/HC/HMC |
| Specific Gravity | 1.32 |
| Abbe value | 58 |
| Transmission | > 97% |
| Guarantee | 5-year |
| Power range | SPH: 0~ -±3.00, ADD: +1.00~ +3.50 |
Product Description
 | As people age, they may find that their eyes are not adjusting to distances as they used to. When people inch closer to forty, the lens of the eyes begin to lose flexibility. It becomes difficult to focus on close objects. This condition is called presbyopia. It can be managed to a large extent with the use of bifocals.
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The lower half of a bifocal lens contains the near segment for reading and other close-up tasks. The rest of the lens is usually a distance correction, but sometimes has no correction at all in it, if you have good distance vision.
When people inch closer to forty, they may find that their eyes are not adjusting to distances as they used to, the lens of the eyes begin to lose flexibility. It becomes difficult to focus on close objects. This condition is called presbyopia. It can be managed to a large extent with the use of bifocals. |  |
Coating Choice
 | Hard coating: Make the uncoated lenses are easily subjicted andexposed to scratches AR coating/Hard multi coating: Protect the lens effectively from reflection, enhance functional and charity of your vision Super hydrophobic coating: Make the lenswaterproof, antistatic, anti slip and oil resistance |
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