Factory Promotional Flat Top Bifocal Plastic Lens - 1.59 PC Progressive HMC optical lens – CONVOX
Factory Promotional Flat Top Bifocal Plastic Lens - 1.59 PC Progressive HMC optical lens – CONVOX Detail:
Products Description
| Index | 1.59 | Diameter | 75 MM |
| Monomer | 75 MM | Monomer | Polycarbonate |
| Corridor Length | 28 | Abbe Value | 37.5 |
| Specific Gravity | 1.28 | Transmission | >98% |
| Power Range | SPH: 0.00~+2.00, ADD: ADD+1.00~+3.00 | ||
1. Advantages of Polycarbonate Lenses
♦ Polycarbonate lenses are more durable than regular plastic, very lightweight.shatter-proof.
♦ Polycarbonate lenses are also shatter-proof, have the best impact resistance of any lens material. Many eye doctors choose to use only polycarbonate lenses for children’s glasses. Since the lenses are shatter-proof, a child’s eyes won’t be damaged by shards of flying glass or plastic if the glasses are hit hard by a ball or a bat.
♦ They also have built-in ultraviolet (UV) protection to protect the eyes from the sun’s harmful rays.
♦ Safety sports frames are made to hold up to high impact from fast-moving balls or heavy racquets. Polycarbonate will reduce injury from the frames themselves.
2. Features of Progressive Lenses
A progressive lens is an amazing piece of engineering, allowing multiple vision fields to be incorporated into a single lens without any clear distinction between the fields themselves. The power in the lenses “progressively” changes from far-to intermediate to your full reading power.Progressive lenses are ideal for patients who have presbyopia.As we age naturally, our ability to see nearby objects and objects in the distance can decrease.
Progressive lenses address separate visual needs in one lens – usually with a “distance viewing” field build into the upper portion of the lens and a “near vision” field built into the lower portion. Rather than a line separating these areas, they are “blended” together, often with the middle portion of the lens serving as intermediate vision correction when necessary.
Coating Choice
| Hard Coating (HC) | Hard Multi Coating(HMC/ AR) | Super Hydrophobic Coating(SHMC) |
| To enhancethe hardness of the lens to prevent the substrate scratch | To protect the lens effectively from reflection | To make the lens waterproof, antistatic, anti slip and oil |
Technical Data
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Product Packaging
- Packaging Details1.56 hmc lens packing:envelops packing (For choice):1)standard white envelops2)OEM with customer’s LOGO, have MOQ requirementcartons: standard cartons:50CM*45CM*33CM(Every carton can include around 500 pairs lens,21KG/CARTON)
Port：SHANGHAI
Shipping & Package
Production Flow Chart
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Certificate
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Trustworthy good quality and excellent credit score standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality first, buyer supreme" for Factory Promotional Flat Top Bifocal Plastic Lens - 1.59 PC Progressive HMC optical lens – CONVOX , The product will supply to all over the world, such as: Hungary, Greece, Sweden, Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.
By Fay from UK - 2018.09.21 11:01
The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
By Pearl from Leicester - 2017.02.14 13:19
