PD stands for Pupillary Distance, which is the distance between your pupils in millimeters. PD is very important for accurately fitting your lenses to achieve visual clarity.Generally, PD numbers do not change for adults. The average PD range for adults is 55-75 mm and for kids is about ...
Use our digital PD ruler 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 ...
Pupillary distance (PD) is the distance between the pupils of your two eyes. It is an essential measurement when buying a new pair of eyeglasses orprescription sunglasses. For greatest comfort and clarity, the optical center of each lens of your glasses should be aligned directly in front of...
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.