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  1. 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 …

  2. What Is Pupillary Distance (PD) & How To Measure It

    Aug 19, 2025 · Pupillary distance (PD) is a measurement that ensures your glasses provide the best vision correction. Learn the types of PD, how to measure it and more.

  3. Pupillary Distance: What It Means & How To Measure

    Sep 18, 2023 · 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 professionals will …

  4. How to Measure Pupillary Distance (PD) | Zenni Optical

    Pupillary distance (PD) measures the distance between the centers of your pupils and is used to center a prescription lens accurately in your frames. Your optician will usually measure your …

  5. How to Measure PD for Eyeglasses — Easy, Accurate Pupillary Distance

    Aug 26, 2025 · PD = the horizontal distance between the centers of your pupils, measured in millimeters. Most adults fall between about 54 mm and 74 mm, but everybody’s unique. Think …

  6. 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.

  7. How To Measure Your Pupillary Distance (PD) | ZEELOOL

    Pupillary Distance (PD) is the distance in millimeters between the centers of your pupils. It's a critical measurement used to align the optical center of each lens with your line of …

  8. 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 …

  9. Pupillary distance (PD): How to measure - Medical News Today

    Mar 2, 2023 · The pupillary distance (PD) measurement is a requirement for people who want to purchase eyeglasses. Here, find out how to measure your PD using a mirror and a ruler.

  10. Pupillary distance - Wikipedia

    PD measurement using an app (PD+ by Zernike) Pupillary distance measurement with iPad app Binocular PD measurements are done from pupil to pupil while monocular PD measurements …