The Reichert PDM Digital PD Meter utilizes the latest technology for measuring interpupillary distance and right/left pupil-to-nose distance. The PDM's ergonomic design, smooth action, and ...
While the average IPD (interpupillary distance — the distance between your pupils) is around 63mm, there are those on the edges of the spectrum that can have an IPD as high as 78mm or as low as 52mm.