Journal · Prescription
How to measure your PD
PD is the distance between the centres of your pupils, in millimetres. It tells us where to put the optical centre of each lens.
- 1Look for PD on your prescription or your optician’s receipt. It is often next to the axis or at the bottom.
- 2One number, like 63, is your full PD. Use it as is.
- 3Two numbers, like 31.5 / 31.5, are each eye from the centre of your nose. Enter both at checkout, or add them below.
Have two numbers? Add them here
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=
- 1Sit in good light and look at something about 3 metres away. Do not look at your friend.
- 2Your friend holds a millimetre ruler flat under your eyes and lines up the 0 with the centre of your right pupil.
- 3They read the number at the centre of your left pupil. Do it 3 times and use the average.
Have two numbers? Add them here
+
=
- 1Stand about 20 cm from a mirror and hold a millimetre ruler flat against your brow.
- 2Close your left eye and line up the 0 with the centre of your right pupil.
- 3Close your right eye, open your left, and read the number at the centre of your left pupil. Repeat 3 times.
Have two numbers? Add them here
+
=
Not sure? Email us at support@theframescentral.com, or book a free fitting at our Montreal studio (Tuesday, Friday and Saturday, 2–7 pm) and we will measure it for you.
Prescription lenses
Add your prescription · from $90 USD
Journal · Prescription
How to measure your PD
PD is the distance between the centres of your pupils, in millimetres. It tells us where to put the optical centre of each lens.
- 1Look for PD on your prescription or your optician’s receipt. It is often next to the axis or at the bottom.
- 2One number, like 63, is your full PD. Use it as is.
- 3Two numbers, like 31.5 / 31.5, are each eye from the centre of your nose. Enter both at checkout, or add them below.
Have two numbers? Add them here
+
=
- 1Sit in good light and look at something about 3 metres away. Do not look at your friend.
- 2Your friend holds a millimetre ruler flat under your eyes and lines up the 0 with the centre of your right pupil.
- 3They read the number at the centre of your left pupil. Do it 3 times and use the average.
Have two numbers? Add them here
+
=
- 1Stand about 20 cm from a mirror and hold a millimetre ruler flat against your brow.
- 2Close your left eye and line up the 0 with the centre of your right pupil.
- 3Close your right eye, open your left, and read the number at the centre of your left pupil. Repeat 3 times.
Have two numbers? Add them here
+
=
Not sure? Email us at support@theframescentral.com, or book a free fitting at our Montreal studio (Tuesday, Friday and Saturday, 2–7 pm) and we will measure it for you.
Prescription lenses
Add your prescription · from $90 USD