How to Measure Pupillary Distance (PD) | Zenni Optical
What is pupillary distance? Pupillary distance (PD) measures the distance between the centers of your pupils and is used to center a prescription lens accurately in your frames.
Pupillary Distance: How to Measure Yours | Warby Parker
Oct 8, 2025 · Pupillary distance (PD) is the measurement of the distance between your eyes’ pupils, expressed in millimeters. Your optician or eye doctor can measure your PD at your eye exam with an …
Pupillary Distance: Types and How to Measure - WebMD
May 28, 2024 · Pupillary distance, also called interpupillary distance or PD, is a measurement of the distance between your pupils. Pupils are the dark centers of your eyes that widen to let in light or …
What is Pupillary Distance? (How to Measure & Average PD)
Sep 24, 2024 · Pupillary distance (PD) is used to measure the distance between your pupils. It’s expressed in millimeters (mm) and sometimes written on your glasses prescription next to PD.
Pupillary Distance: What It Means & How To Measure
Sep 18, 2023 · What is pupillary distance? Pupillary distance (PD) is the measurement of the distance between the center of the pupils of your eyes. It’s a key measurement that eye care providers and …
What Is Pupillary Distance (PD) & How To Measure It
Aug 19, 2025 · Pupillary distance (PD) describes the amount of space between the pupils of your right and left eyes. It is measured in millimeters (mm) and goes from the center of one pupil to the center …
Pupillary distance - Wikipedia
Monocular PD can be measured during an eye test. Pupillary distance (PD), more correctly known as interpupillary distance (IPD) is the distance in millimeters between the centers of each pupil. [1]
Pupillary Distance: How to Measure It | Pearle Vision
Your pupillary distance, or PD, is the distance (measured in millimeters) between the centers of each of your pupils. This number lets the lens maker know where to put the optical center on each lens for …
Pupillary Distance Measurement - Visionworks
Pupillary Distance (PD) is the distance between the pupils of your eyes. To ensure your lenses give you the best vision possible, the eyeglasses lab needs to know the distance between your pupils.
How to Measure Pupillary Distance Charts, Tools, and Methods
Jul 15, 2025 · PD is the distance between the centers of your eyes. It helps make sure your glasses fit properly and that you see clearly. PD stands for Pupillary Distance.