If you have 2 readings e.g. 65 (far) / 63 (Near) please include this in the Comments Section
The PD or pupillary distance is the distance between the centre of the pupils of each eye.
If this measurement is not on your prescription then the first avenue to obtaining this is to either demand it at the time of having the prescription written or phone and demand it at a later time.
The Optometrist has been paid by you to do this job. You are entitle to the Full prescription.
Measure the PD yourself;
You will need a second person to help you measure this distance .
To measure your pupils remember to look straight ahead and into the distance while a second person holds up a ruler and measures the required distance.
One good way is to put a mark on an old pair of glasses and then measure this distance.
The PD is important to us to ensure your glasses are aligned properly when we make them for you.
PD Far : This is the distance between the centre of your pupils when you are looking into the distance and is used (obviously) for distance glasses.
Multifocal Wearers : It is important to get both PD Far and Near if possible to assist us to make your glasses accurately.
Different ways to write the same thing ;
My PD (Pupillary Distance) is marked on my script as (example) Right 31 Left 32.5 (or similar) ?
This method is sometimes used by optometrists and it is the measurement from the centre of your pupil to the centre of the bridge of your nose respectively.
My PD (Pupillary Distance) is marked on my script
as just 31(example).
The same as above but the distance is 31 from the centre of your pupil to the centre of the bridge of your nose on both sides hence the PD is 62mm
.
Another Method is (example) 65 / 63. This the best measurement and means your PD is 65 mm for DISTANCE (Far) viewing and 63 for NEAR viewing.
The Axis Value is often NOT MARKED with the words AXIS but follow a X . This is because your prescription is in actual fact a mathematical formula and the X is the Multiplication sign
If there is no Axis on your script then it is not required.
A typical script could look something like ;
| (OD) Right Eye | (OS) Left Eye | |||||
|---|---|---|---|---|---|---|
| Sphere | -2.5 | X 135 | Sphere | -2.5 | X 130 | |
| Cylinder | -.5 | Cylinder | - 1 | |||
THE 135 AND THE 130 ARE THE AXIS VALUES
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Single Vision Computer Lenses are simply Reading Glasses with an Intermediate ADD Value
The Intermediate ADD Value is the magnification required to see the computer screen clearly from your seating position.
The Intermediate ADD Value is measured by your Optometrist when you advise them that the glasses are for computer and it is this value that is entered into the ADD section below.
These glasses are for this application and not for reading or distance as well.
Computer + Reading lenses are known as extended reading glasses
The distance focal point is set to the Computer (but allows vision up to approx 3 meters) and progressing to the Near focal point for reading.
It is imperative that your have a prescription specific for this requirement and have the ADD Value for the Distance Vision and the ADD Value for the reading value.
You also need to send a copy of your Scrip. Please see the Contact Us page for upload options
Without these we cannot make the glasses to suit your requirements.