Visor Sunglasses Bicycle Mask UV 400 Protection

9006T34
$19.99
Color :
Crystal
Gradient Blue
Gradient Brown
Size :
$19.99
SPECIFICATIONS
  • Rim: Full Rim
  • Shape: Full Faceshield
  • Frame Material: PC
  • Lens Material: PC
    FRAME SIZE
    • Frame Width: 165 mm
    • Bridge: 30 mm
    • Temple Length: 120 mm
    • Lens Height: 140 mm
    Descriptions:
    Made from premium UV-resistant PC panels, the high-quality durable shield allow for wearing for hours, extremely lightweight and comfortable. The face shield has extremely smooth texture, HD visual Experience, smooth temple lines, and clear PC panels with superior optics allowing for maximum visibility. Anti-slip design with ample space away from eyes to allow for free flow of air up and down.
    The safety full-length face shield provides side and front face protection- forehead to chin. Some potential higher-risk zones are covered. The eyes, nose, mouth, and face are protected from the sunlight as well as the saliva, droplets, sprays, splatter, and aerosols. While moving outdoors, sports activities, shopping, and any other leisure activities, it would be a good choice to carry with.It's also sports goggles.

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    Returns Policy

    You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

    You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

    If you need to return an item, please check out our Return Policy first.

    Shipping Information

    A full list of the countries where we ship glasses is available on the Payment Page. For more info you can check out our Shipping Information page

    When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

    Prescription Process

    Lens Thickness and Refractive Index

    The thickness of the lens is related to the refractive index. The higher the refractive index, the thinner the lens. You can choose the lens that is more suitable for you according to your own habits and preferences.

    lense thickness

    How to Choose The  Index

    If you don't know how to choose the Refractive Index,you can refer to these informations,and you can get the most comfortable prescription glasses.

    Lenses index

    How to Read Your Prescription

     1.What does my prescription (Rx) mean

     ‘+’ or ‘-‘

     ‘+’ – Shows if you are long sighted (longsightedness)

     ‘-‘ – Shows if you are short sighted (shortsightedness)

     If your Sphere (SPH) is ‘+’,you are farsighted,please tell us that after you put on the glasses, do you see further clearly or see near clearly compared with not  wearing glasses.

     Each row of an Rx has three main sections: Sphere (SPH)Cylinder (CYL), and AXIS. The SPH section corrects nearsighted or farsighted vision. The CYL and AXIS sections correct  an astigmatism.

     There may also be a fourth section on the Rx , NV-ADD (for Near Vision-Reading ADDition), which could be used to order a pair of bifocal or progressive glasses with a close-up   vision section in the bottom part of the lens.

     The SPHCYL, and NV-ADD numbers will always have a plus or minus sign.

     

    How to Measure Your PD

       PD stands for Pupillary Distance, which is the measurement from the center of one pupil to the center of the other. Your PD is an important factor and tells you where you look through the lens of your glasses and should be as accurate as possible. For people with strong prescription, this is especially important. You can normally find your PD on your prescription. Generally speaking, the PD numbers for adults stays the same. The average PD range for adults is 57-72 mm and for kids is about 43-58 mm.

     

     Your pupillary distance (PD) is the measurement of the distance between your pupils.

    pupillary distance (PD) | Cyxus

     This is needed for the manufacturer of the eyeglasses to know where to place the optical center on each lens, so you can see well with the glasses.

     

     

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