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Entering your prescription details should be straightforward. However if you are unsure in any way you may find the answer to your problem below OR just leave the boxes unselected and post a copy to us at: Glasses UK, 1 The Hidage, Worcester, WR5 2QG, or scan it and email it to us on firstname.lastname@example.org.
Starting with your Right Eye (which is usually on the left of your prescription!) enter the 'Sphere'. It will always be a + figure OR a - figure. (Note, some opticians write this above the number). It should look a bit like this '-2.50'. (If your optician has put in plano or a symbol that looks like a figure 8 on it's side it means 0.00 sphere).
Then (if there is an entry on your prescription) enter the Cylinder (or 'Cyl') figure for the right eye. Again, this can be either a - (minus) or + (plus) figure (e.g. +1.75) and the + or - may be written above the number. If your optician has not entered a figure here or left it blank or written 'DS' (short for 'dioptre sphere' which indicates that there is no cylinder power), just leave it unselected.
Then enter the Axis of the Cylinder. This will be a number between 0 and 180. If your exact number isn't shown, please use the nearest to it (as the differences are so tiny as to be un-noticeable). (There isn't a minus or plus bit to this). Note: the axis only applies if there is a Cylinder. If there is no Cylinder then there is no Axis so leave unselected.
Your optician may have written Addition or 'Add' or 'Near' on your prescription. If your optician has entered a figure for Addition or Add or 'Near' enter it in the drop down 'Addition' box. It is always a + figure and relates to an adjustment that has to be made to the sphere for near (reading) use. It is usually the same for both eyes. If nothing has been entered on your prescription, please leave it unselected.
Sometimes opticians separate the prescription into 'Near' and 'Distance'. If you want spectacles for 'Distance' use the distance figures and for 'Reading' use the reading figures. For Bi-Focals and Varifocals it is usually a combination of the 'Distance' plus the 'Addition' so we need the 'Addition' value.
The 'addition' can be written in different ways. The image below shows the most typical way. Sometimes it is only written once - but please enter the same figure for both eyes. You may see an 'inter' additon and a 'near' addition. For READING glasses, or BIFOCALS or VARIFOCALS we just need the 'NEAR ADD' or 'READING ADD' addition figure. If you are ordering single vision 'intermediate' (computer use only) glasses please enter the 'INTER ADD' (or 'intermediate addition').
Sometimes the optician writes the prescription as shown below. In this instance the 'addition' is the difference between the 'distance' sphere and the 'reading' sphere. (It's nearly always the same figure for both eyes - so you can test your sum by doing it for both eyes - and you should end up with the same figure!)
Then repeat the process for your left eye (which is often on the right side of the prescription).
Still unsure ? Either call us on 0800 78 33 201 or leave all the options unselected, complete the rest of the order and then scan / email us your prescription.