Visual acuityVisual acuity testing is part of every eyeexamination. It is important that it is done well,and accurately, as an incorrect measurement canlead to inappropriate decisions and management.Community Eye Health JournalJanet MarsdenSue StevensAnne Ebri...
How To Measure Your Pupillary Distance(AKA "pupil distance" or "PD") If you haven’t ordered prescription eyeglasses online before, the first time may feel a little daunting—especially when you come across unfamiliar terms like pupillary distance. Don't worry, we have you covered. This ...
HOW TO GET YOURS? You can ask your eye doctor to include your PD measurement on your prescription, or if you don’t have it, you can use one of the following methods to measure it—it’s super easy! With the Opthy app By yourself With the help of a friend ...
Using a physical PD ruler to measure your Pupillary Distance for glasses. PD is the distance between the center of one pupil to the center of the other. The average PD is 54 to 78mm.
What is a normal pupillary distance? Theaverage pupillary distanceof a typicaladultranges from 54 to 74 mm without much difference between the average female and male PD. Achild's distance rangesfrom 43 to 58 mm. During an eye checkup, your optometrist will typically measure your PD. ...
Easily measure your pupillary distance (PD) at home. Fast, accurate, and user-friendly. Try it now > Why is it important? Every set of prescription lenses has an “optical center”, which should align with where you look through the lens. Pupillary distance is used to determine this and...
Easily measure your pupillary distance (PD) at home. Fast, accurate, and user-friendly. Try it now > Why is it important? Every set of prescription lenses has an “optical center”, which should align with where you look through the lens. Pupillary distance is used to determine this and...
If your PD isn’t right, it can cause eye strain, fatigue, or simply not being able to see properly. The higher your prescription, the bigger the effect an incorrect PD can have. So get measuring! HOW TO MEASURE What is a single vs dual pupillary distance?
MarsdenNurseJanetNurseStevensNurseSueNurseEbriNurseAnneNurseEBSCO_AspCommunity Eye Health JournalMarsden J, Stevens S, Ebri A. How to measure distancevisual acuity. Community Eye Health. 2014; 27(85):16.
Learning how to measure your pupillary distance at home is an important step towards finding your next pair of glasses. Try our free average pupillary distance ruler.