![]() Autorefractors use infrared light or other technology making it possible for a doctor to take precise measurements quickly without needing manual measurement tools. There are different ways doctors measure pupil distance such as using ruler, pupillometer for measuring with high accuracy and technology involved ones like autorefractors. Correctly measuring one’s PD ensures proper prescription lenses fitment and accurate centration of glasses or spectacles. ![]() It’s worth mentioning that each person has their own unique PD value that does not change over time unless they undergo any eye surgeries. Pupil distance refers to the distance between the centers of the pupils in both eyes. In this section, we will discuss in detail what PD is, how it is measured, and why an incorrect measurement could lead to eyestrain. However, sometimes the reason for this strain is not limited to excessive screen time or refractive error it can also be caused by an improper measurement of the pupil distance. Good luck!Įyestrain Caused by Improper PD MeasurementĮyestrain is a common problem that many people face, especially those who use digital devices frequently. Remember, always consult with licensed optometrists before purchasing new eyewear and follow the instructions given by professionals as much as possible instead of relying on non-verified sources. Using mirrors for better results can always be helpful.īlurry vision from incorrect pupillary distance is an easy issue to fix. Try DIY Methods: If you want to take matters into your own hands, there are ways to measure your PD at home using online guides and rulers. Contact the Manufacturer/Glasses Store:If they’ve made errors while crafting your eyewear they might do rework or have some other solution to correct it.ģ. Get Re-Measured: Visit an optometrist and get re-measured for correct pupillary distance measurements so that you have reliable data if considering purchasing new eyewear later on down-the-line from any other channel such as online stores etc. If you’re experiencing blurry vision due to incorrect pupillary distance, there are a few things you can do:ġ. DIY Glasses: Ordering glasses online without proper measurements or guidance from professionals can result in incorrect fitting and therefore problems with visual acuity. ![]() Manufacturing Errors: Glasses may be manufactured incorrectly if the manufacturer is given inaccurate information about PD measurements.ģ. Measurement Errors: If your PD was measured incorrectly by a professional, this can cause issues with glasses and lead to blurry vision.Ģ. Incorrect pupillary distance can occur due to several reasons:ġ. What Causes Incorrect Pupillary Distance? It’s important to note that measuring your own PD may not be as accurate as having a professional do it. ![]() Measure it yourself using an online guide or ruler.Ask for it at a glasses store when purchasing new frames.Have an optometrist measure it during an eye exam. ![]() If the lenses are not aligned with your pupils, you may experience blurry vision or discomfort. This measurement is important when getting glasses because it determines where the lenses should be placed in relation to your eyes. Pupillary distance, also known as PD, is the measurement between your pupils. Are you experiencing blurry vision? It could be due to incorrect pupillary distance! But don’t worry, it’s a common issue that can be easily fixed. ![]()
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