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Pupillary Distance: How to Measure PD for Glasses

Pupillary Distance is a measurement of the distance between your two pupils, and it’s important if you’re looking for glasses. Your eye doctor will measure this distance in millimeters to find out what kind of lenses are best suited for you. In this blog post, we’ll teach you how to measure PD for glasses yourself at home with a ruler. From today onward you definitely are able to measure your PD for eyeglasses. But you should read and understand the concept we are talking about, So focus and read the complete article. I Hope would love it and enjoy this information and share it with your friends and your circle.

Pupillary Distance is measured by placing the ruler on top of one pupil while closing off the other pupil by pressing on it lightly with your finger. The reading where both ends meet indicates PD. It’s that simple.

Pupillary Distance (PD) measures roughly 50% or more than Inter-pupillary Distance (IPD). PD is measured in millimeters. By finding the PD for glasses, you can determine the size of lens needed for your eyes.

Glasses are specially made with lenses that have a corrective power based on pupillary distance measurements taken at an eye exam. The measurement determines how much vision correction or magnification will be required to provide optimum visual acuity and comfort. It’s important to note that not all PDs fall within normal limits! If yours falls outside this range, talk to your doctor about options available for correcting it. These may include over-the-counter reading magnifiers or prescription contact lenses, or even surgery. An optician uses pupillary distance when determining what type of glasses you need and what glass powers will work best for you.

The range of PD measurements varies from person to person, but most people fall within the following limits:

There are a few tips How to Measure PD for Glasses are as follows:

  1. Stand 8inch away from your mirror
  2. Hold a ruler against your brow.
  3. Close your right eye then align the ruler’s 0mm with the center of the pupil.
  4. Look straight then close your left eye and open your right eye.

If you are in between two sizes on a lens package insert when considering pupillary distances, choose the smaller size so that they don’t touch your cheeks or temples when you wear glasses. Your entire field of vision should be clear without touching any part of the frame with the skin around your eyes! Glasses that fit properly won’t cause pain along your nose bridge, behind your ears, or at the sides of your head.


Pupillary Distance is a key element of the eye exam. If you or your child needs glasses, we recommend that they be fitted with frames that match their PD and not just any pair on hand. Given this information, it’s important to find out your pupillary distance before purchasing eyeglasses for yourself or someone else in the family so you can get them an accurate fit.

We hope you find this article meaningful and knowledgeable.

David Swan

David Swan is a SEO Services professional and versatile writer for the last 5 years. He holds a Master Degree in Journalism. He loves researching and writing about fashion, travel, and technology. David has a passion to blog about the latest trends and technology.

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