Freeform Photochromic Progressive Lens
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1
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Product Unit
Pieces
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Origin
China Mainland
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Product Detail
Quick Details
Place of Origin | Danyang, Jiangsu, China (Mainland) |
Brand Name | Just |
Model Number | Freeform photochromic progressive lens |
Quality Grade | AB quality |
Lens Material | Resin |
Vision Effect | Multifocal |
Coating | UC/HC/HMC |
Coating Color | Green/blue |
Lens Color | Clear |
Reflective Index | 1.56 |
Corridor | 12/14 |
Abbe Value | 34 |
Diameter | 70 MM |
Gravity | 1.28 |
Certification | CE/FDA/ISO9001 |
Lens Type
There’re different designs for lens, which could fit for different people demand, and below is the basic design of the lens.
Single Vision Lens: Most popular one, it has one power to correct one vision problem, either distance or near vision. Single
Bifocal Lens: The bifocal design is used for correct both near and far vision. There is a segment of powers on the lens for near vision, and the rest of the lens is for distance. For the people who have demand for both near and for vision correction, Bifocal lens is a good choice.
Progressive Lenses: The progressive lens is designed for full vision correction in all distance, near, medium and far, and powers for different parts gradually changes, it could make comfort experience when you change your distance view, by moving your eyeball up and down, you’ll easily get the right power to see.
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