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FAQ

  • How to enter option box --Understanding Your Prescription

    QUEENCONTACTS | | Hits 9321
    • How to enter option box --Understanding Your Prescription


      A glasses or lenses prescription is usually shown as a series of numbers in boxes. For Example:

       

       

      SPH

      CYL

      AXIS

      OD 

       -4.50D

       -0.25D

       180

      OS 

       -3.75D

       -0.50D

       90


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      OD (oculus dextrum) indicates that the readings are for your right eye.

      OS (oculus sinistrum) refers to your left eye.

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      The SPH (Sphere) box shows a measurement of how long sighted (hyperopic) or short sighted (myopic) you are.

      If you are short sighted, the SPH value will have a minus (-) sign before it.

      If you are long sighted, the SPH value will have a plus (+) sign before it.

      diplopia


      The (D) stands for dioptres which is the standard measurement that is used. If the SPH value is between 0 and 3.0D then you have a mild prescription. 3.0 to 6.0D is moderate and 6.0D and above is a high prescription.

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      The CYL (Cylinder) box shows the strength of any astigmatism.

      An eye with astigmatism will not be perfectly spherical and will be like a rugby ball in shape. Astigmatism can be plus (+) or minus (-) and is also measured in dioptres.

      If one of your eyesight is Myopia -2.50, please select 0 for CYL and AXIS.

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      The AXIS box shows the orientation of the cylinder (from 0-180 degrees).

      If you can not find your AXIS in the Options box, Please round off to the nearest integer in AXIS. EX) AXIS is 153 >> Select 150


      axls0~180

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      Since glasses are away from the eyes are contact lenses are attached to the eyes, there's a difference in the vertex distance. I recommend you to check your vision of your lenses precisely.

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      Delivery Time

      Colored contacts for astigmatism

      EMS Shipping(3~5 days)+Custom manufacture Period(1~2 Weeks) = Total 2~3 Weeks

      International registered mail(10 days)+Custom manufacture Period(1~2 Weeks) = Total 3~4 Weeks

      *Astigmatism contacts require 1~2 Weeks of manufacture period for they are manufactured upon custom requests.

       

      B.C or DIA unlisted as the option of the product cannot be applied in manufacture.

       

      DIA of all our astigmatism contacts are made with 14.0mm for more comfortable feeling.

      .

       

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