Pupillary Distance (PD) is the distance measured in millimeters between the centers of the pupils.
Measure Your Pupillary Distance (PD)
What is Pupillary Distance?
Pupillary Distance (PD) is the distance measured in millimeters between the centers of the pupils of the eyes.
Generally, you can view your PD on your prescription written by your doctor. If your prescription does not list your PD, we made a guide to help you measure it.
What is Pupillary Distance?
Pupillary Distance (PD) is the distance measured in millimeters between the centers of the pupils of the eyes.
Generally, you can view your PD on your prescription written by your doctor. If your prescription does not list your PD, we made a guide to help you measure it.
What is Pupillary Distance?
Pupillary Distance (PD) is the distance measured in millimeters between the centers of the pupils.
Generally, you can view your PD on your prescription written by your doctor. If your prescription does not list your PD, we made a guide to help you measure it.
What is Pupillary Distance?
Pupillary Distance (PD) is the distance measured in millimeters between the centers of the pupils of the eyes.
If your prescription does not list your PD, we made a guide to help you measure it.
Pupillary Distance FAQ
What is a Pupillary Distance (PD)?
Pupillary Distance (PD) is the distance measured in millimeters between the centers of the pupils.
If you can't find your PD on your prescription, call your optometrist as they generally have it on file. In addition, there are several PD measuring Apps available!
What is the most common PD for adults?
The most common adult PD is 62mm. Generally, adults have a PD between 50 mm and 75 mm.
Why does my prescription list two PD measurements?
If your prescription lists two PD's, they are your monocular measurements (each eye). Add both monocular PD's together to get your Dual PD. The Dual PD is what we need to fulfill your prescription order.
Does my PD have to be exact?
Yes, your PD should be exact. An exact PD ensures the pupils are aligned with the optical center of the lens. An incorrect PD can lead to eye discomfort and eye strain. We always suggest taking three PD measurements to make sure you find a consistent number. Also, you can have a friend take your PD and compare it with your measurement.
Generally, your prescription lists your PD near the grid (OD / OS measurements). We need your binocular PD, which is a sum of monocular PD's. Always remind your doctor to measure your PD when you get exams.
Is my PD listed on my glasses?
No. The numbers you see on the inside of the temples are model numbers, frame measurements, etc.. Learn more about frame measurements here.
Does your PD change over time?
Throughout physical development, your PD will change. Through adolescence and early adulthood, you will see small changes (~3mm). Once you reach adulthood, you will see minimal changes, if any at all.