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 (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 PD or you can …

Aug 19, 2025 · An eye doctor or optician can measure your pupillary distance as part of your comprehensive eye exam. To do so, they will use a pupillometer — a digital PD meter.

May 19, 2022 · Download and print our PD ruler, then follow the simple steps to measure your pupillary distance. If you're using our PD ruler on someone else (or they're using it on you), fold it to the side …

Measure your pupillary distance (PD) online in seconds for the perfect eyewear fit. No ruler needed—just your camera and our smart AI tool.

Effortlessly measure pupillary distance while wearing glasses—ideal for customers with high prescriptions who need a crystal-clear visualization of their fit. With AI-powered precision, our …

SINGLE PD is the pupillary distance between the center of one pupil to the other, which can be a distance PD or near PD. Distance PD can be used to order any type of prescription glasses except …

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.

Using a physical PD ruler to measure your Pupillary Distance for glasses. PD is the distance between the center of one pupil to the center of the other. The average PD is 54 to 78mm.

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 of PD …