![]() Hartl is a blue light expert and specializes in studying the effects of natural and artificial light on people’s eyes and bodies. Kara Hartl is a board certified Ophthalmologist and the Founder and CEO of Mountain View Eye Center in Fairbanks, Alaska. It does not store any personal data.This article was co-authored by Kara Hartl, MD, FACS and by wikiHow staff writer, Megaera Lorenz, PhD. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. ![]() The cookies is used to store the user consent for the cookies in the category "Necessary". ![]() The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. EyeQue’s PDCheck frames and app make it easy to measure pupillary distance. The patented frames and pupillary measure app are accurate and fast! You can store results in your free EyeQue membership account and retake your PD in case your PD changes. Some people mark their eyeglasses and measure the two dots on their lenses with a ruler to find their PD.ĮyeQue PDCheck: You can use EyeQue’s PDCheck to capture your PD instantly by taking a picture or selfie. It’s extremely important to have an accurate PD measurement because this dictates how your eyeglasses manufacturer will position the lenses. If you use a ruler, be sure to get the help of a friend or family member when you measure pupillary distance, because they will be able to get a more accurate reading than you can in the mirror by yourself. Set your printer to print the actual size of the page, instead of using a “fit to page” or another setting, and this will work just as well. If you don’t own a ruler with millimeters, the retailer you wish to use to purchase your eyeglasses most likely offers a printable ruler on their website. Just be sure your ruler can offer measurements in millimeters (mm), as this is the standard unit of measurement eyeglass retailers use. Ruler: As we mentioned before, you can use a ruler as many opticians use in their office. You can measure your pupillary distance at home through one of two options: How Can I Measure My Own Pupillary Distance? There are several methodologies that may be used to take this measurement, including the use of a tool called a pupillometer, through photographic analysis, or even with a regular ruler. ![]() This is along with vertex, wrap, and pantoscopic tilt, all of which affect the position of your eyeglasses. If you plan to purchase eyeglasses after the exam, you will get measured for pupillary distance. Normally, measuring pupillary distance does not take place during a typical eye exam. How Does My Eye Doctor Measure Pupillary Distance? The eyeglasses manufacturer use this number to make the best-fitting lenses for you to see as clearly as possible. It’s important to know how to measure pupillary distance if you want to order eyeglasses online. Your pupillary distance, also known as PD, refers to the distance between your pupils, measured in millimeters (mm).
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