2024年5月29日 · 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...

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 use our digital PD ruler to measure it quickly online.

2024年9月10日 · 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 instrument called a pupillometer.

2024年9月24日 · 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. Your optometrist or optician will measure your PD when you’re being fitted for …

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 professionals will use for making prescription eyeglasses. Experts sometimes call it …

Pupillary distance (PD), more correctly known as interpupillary distance (IPD) is the distance in millimeters between the centers of each pupil. [1] Distance PD is the separation between the visual axes of the eyes in their primary position, as the …

2019年8月23日 · An accurate pupillary distance (PD) is essential for clear, comfortable vision when buying prescription eyeglasses. Find out how to measure your own PD.

Your Pupillary Distance, or PD, is the distance in millimeters (mm) between the center of one pupil to the center of the other. A personalized fit starts with measuring your pupillary distance: it indicates which part of the lens you look through, ensuring optimal comfort and clarity.

2023年3月2日 · 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.

2021年8月24日 · Pupillary distance is the space — measured in millimeters (mm) — from the center of one pupil to another. When you need glasses, an optometrist or an optician will...