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Getting prescription lenses fitted

All the glasses we sell are designed to accommodate prescription lenses, either single vision, bi-focal, or varifocal up to a certain specified limit.

The process of getting your prescription lenses fitted is easy and is explained step by step below. 

We recommend that you use Reglaze Glasses Direct (previously called Ciliary Blue) to supply prescription lenses.. They are a specialist optical glazing company with considerable experience in fitting prescription lenses to 7eye, Body Specs, and Ziena glasses. Their prices are much lower than you would pay at a high street optician, yet the quality of the lenses and quality of service are both excellent.

You may prefer to get your optician to fit the lenses. Alternatively you may wish to use a local optical reglazing company, particularly if you have used them before. Optical reglazing is available in many cities, both in the UK and elsewhere in the world. 

Simply follow these steps:

  1. Check that your prescription is within the advised limits
  2. Buy your 7eye AirShield, Ziena or Body Specs glasses from us
  3. Place your order for prescription lenses
  4. Send your chosen glasses to Reglaze Glasses Direct in the postage paid box they send you.
  5. They will fit your lenses and return the finished glasses to you in 7 to 10 days.

1. Check that your prescription is within the advised limits

Before ordering your glasses from us, it is essential that you first check that your prescription is within the advised limits for your chosen frame. 

If you are uncertain, check with Reglaze Glasses Direct or your optician that your chosen glasses will be suitable.

2. Buy your glasses from us

Once you have been informed that your prescription can be accommodated effectively, visit our store to buy your 7eye AirShield, Ziena or Body Specs glasses.

We will send the glasses to you with non-prescription lenses so that you can check that the frames are comfortable and effective for your eye condition.

Please ensure that you have read and understood our returns/refunds policy in relation to frames which you are intending to have fitted with prescription lenses.

3. Order your prescription lenses

If you are completely satisfied with the fit, usability and suitability of the 7eye or Ziena glasses we send you, and you are ready to proceed, place your order for prescription lenses with Reglaze Glasses Direct.

    You must have a valid signed optical prescription that is less than 2 years old. You must also be over the age of 17 and not be registered blind or partially sighted.

    When calling Reglaze Glasses Direct (01455 293417) you should:

    • give them full details of your optical prescription
    • tell them which lens colour you want (eg: clear, tinted, polarised, or light-reactive)
    • ask for their optional Ultra Clean coating. This can reduce lens misting and mean that you won’t need to clean the lenses so often
    • Quote the discount code specified in the notes we sent with your order, to get 10% discount off Reglaze Glasses Direct's prices
    • pay for your order by credit or debit card

    4. Send your glasses to Reglaze Glasses Direct

    Within a few days you will receive a postage paid box from Reglaze Glasses Direct in which you can send the frames you purchased from us to be glazed.

    We advise you to send with the frames :

    • a copy of your order from Reglaze Glasses Direct
    • an old pair of spectacles they can use to determine your pupiliary distance.
      If you are ordering varifocal lenses, they will also use these glasses to determine the correct varifocal heights.

    5. Receive the completed glasses 7 - 10 days later

    If you are in the UK, you can expect to receive single vision orders in approximately 7 days, and varifocal orders in 10 days.

    How to understand your optical prescription

    Optical prescription documents follow a consistent format. Normally the Right eye is shown first (sometimes denoted as OD) then the Left eye (OS).

    The prescription for each eye is divided into Sphere, Cylinder, and Axis values. It is common to have no values for any one of these, in which case you might see the letters PL or plano, or to have values for all of them. Sometimes the prescription may show OU, which means both eyes.

    SPH (Sphere)

    This is a distance correction. If you are short sighted, the SPH will have a minus sign in front of it. If you are long sighted, it will have a plus sign.

    CYL (Cylinder)

    You will only have a cylinder value if you suffer from astigmatism.


    Your prescription will show the related Axis value (in degrees) if you have a CYL measurement.

    Bifocal and Varifocal prescriptions

    If you have a bifocal prescription, you will have a separate measurement for Distance and Near vision, and on a varifocal prescription there will also be an Intermediate distance value.

    Pupillary Distance (PD)

    Pupillary Distance is the distance in millimetres between the pupils of your eyes. Adult PD averages 60 millimetres (mm) for women, and 64 mm for men.

    An accurate pupillary distance (PD) is an essential measurement in order to make prescription lenses, and you cannot purchase glasses online without one. The higher the lens power in your prescription, the more important it is to use an accurate PD measurement.

    If your PD is not shown on your prescription, you can obtain it from your optician, or Ciliary Blue can determine it accurately if you send them an old pair of your glasses (your PD does not change over your adult life).