Your eyewear can be a powerful tool for making you look your best. That’s why it’s important to find a pair that compliments your face shape and style.
To ensure that your new frames fit well, it’s vital to measure your pupillary distance (PD). This will help you get the perfect fit when shopping for eyeglasses online.
1. Get a Mirror
Measurement of your pupillary distance (PD), or the space between your pupils, is an important part of making sure you get the right frames for your eyes. If your prescription doesn’t include a PD measurement, or you need to know it before ordering glasses online, there are a couple of easy ways to get the information.
2. Get a Mirror
The first thing you should do is find a mirror. If you have a bathroom mirror, that will work great, but even if you don’t, just make sure to put it on a table or floor where you can see yourself from several different angles.
3. Ask a Friend
If you’re not handy with a ruler, you can always ask a friend to help you out. They can use a non-permanent marker on their lenses to mark the position of your pupils.
Once they’ve done that, you can rest your friend’s ruler on the bridge of your nose, with its 0 millimeter mark aligned with your left pupil. Your friend will read off this number to you, and you can add it together if you want a dual PD.
4. Ask a Friend
PD (Pupillary Distance) is sometimes measured during an eye exam, but it can also be easily measured at home. This measurement is used to determine the optical center of the lenses in your glasses, and is critical to making sure they are centered correctly.
Using a ruler is easy, just stand in front of a mirror about 8 inches away from the mirror. Hold the ruler against your brow, then close your right eye and position the ruler’s 0 mm line above the left pupil’s center.
The number that lines up with the left pupil’s center is your PD. Measure your PD at least three times to ensure accuracy.
5. Use a Ruler
When ordering glasses online, it’s important to know your PD or pupillary distance. Your PD is used to determine the best lens placement for clear vision.
A correct PD will help you feel comfortable in your new glasses and ensure they fit perfectly. Measuring your PD is easy and can be done in the comfort of your own home.
The first step is to find a ruler that measures in millimeters. Measure yourself at least 8 inches away from a mirror with the ruler parallel to your face and rest it against your forehead for stability.
Next, close your right eye and align the zero on the ruler to the center of your left pupil. The mm line that lines up with the center of your left pupil is your PD.
If your PD is too small, it can affect your eyesight and make you uncomfortable. If your PD is too large, it can lead to headaches and eye strain.
6. Measure Your Eyes
Pupillary distance (PD) is a measurement used by optometrists to determine the optimum position for your lenses. It is also important for bifocal and progressive lenses.
Everyone has a different PD. However, it is usually within a range of 54-68 mm in adults and 41-55 mm in children.
Measuring your PD is important because it helps ensure the prescription in your glasses is correct and that you have clear vision. Having an accurate PD is vital for healthy eyes and can help reduce eye strain, headaches and dizziness.
Individuals can measure their PD by holding a millimeter ruler up to the bridge of their nose in front of a mirror, or with a friend. Ensure that the 0 mm mark on the ruler aligns with the center of one pupil, then measure to the other.