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1.56 Progressive Lenses HC HMC

Progressive lens is a multi-focal lens that distinguishes between traditional reading lenses and bifocal reading lenses. Progressive lenses do not have the fatigue of the eyeballs having to constantly adjust the focal length when using bifocal lenses, and there is no obvious dividing line between the two focal lengths. It is comfortable to wear and beautiful in appearance, and has gradually become the best choice for middle-aged and elderly people. 
Lenses Material: Resin/Polycarbonate/Arcylic/MR8/MR7
Abbe Value: 58
Specific Gravity: 1.32 
Diameter: 70/75mm
Corridor: 14/17mm
Coating: UC/HC/HCT/HMC+EMI,SHMC
Power Range: -2.00~+3.00/ADD+1.00~+3.00
Certification: CE/ISO13485
Quality: Grade A 
After-Sale Service: Two-year quality assurance

    Progressive lens provides a great solution for people who want to escape the limited correction that most lenses provide. As their name suggests, progressive lens provides clear vision not just for near and far, but also for all distances in between without any abrupt changes or visible lines in the lens. 
    progressive lens

    Product Features

    Progressive lenses, on the other hand, have many more lens powers than bifocals or trifocals, and there’s a gradual change in power from point to point across the surface of the lens. The multi focal design of progressive lenses offers these important benifits:
    * More Natural, clear and balanced vision from far to near
    *Low astigmatism provides visual comfort and easy adaptation
    *Larger far zone and comfortable reading zone
    progressive lens corridor

    Progressive Lens

    Index

    1.49/1.56

    Abbe Value

    38

    Material

    Resin

    Diameter

    70/75mm

    Coating Choice

    UC/HC/HCT/HMC+EMI/SHMC

    Coating Color

    Green/Blue

    Power Range

    -2.00~+3.00/ADD+1.00~+3.00

    How to choose a suitable progressive lenses? 
    Each progressive lenses has a corridor. When you choose the progressive glasses:
    1: If you wear the progressive lenses for the first time, you should choose the long corridor.
    2: If you required the near vision field relatively large, a short corridor should be used.
    3: If you have strong adaptability, you can choose the short corridor.
    4: If the height of the frame is less than 28MM, then the corridor should be short.
    5: If you have high requirements for distance vision, you should choose a long corridor.
    In addition, the measurement of pupil height and pupil distance is also essential. 
    progressive optical lens

    Regarding as the Packing and Shipping

    Envelope:
    We can provide Standard white envelopes and Brand envelopes with customer design
    Outer box:
    Include around 500 pairs of finished lenses, 19kg 
    Include around 120 pairs of semi-finished lenses, 20kgs
    6pn3
    Shipping:
    Samples by Fedex, DHL, UPS, ect. 
    Stock order by air, sea, express 
    5mr6
    Carrier: We can choose for you or offer us your cooperative company 
    Payment terms: 30% deposit before production, 70% balance before shipment 

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