Pupil Distance PD Express vs LensRx Usage & Stats

● No cards needed ● No steps involved ● Highly accurate Just open the app and get your PD in under 1 second. PD, Pupil Distance or Pupillary Distance, is the distance between the center of your pupils in millimeters. This measurement is required for making prescription eyeglasses and prescription Virtual Reality (VR) Headsets. The app will automatically detect your pupils and provide you with your distance and reading PDs. This app requires a device with a TrueDepth front-facing camera. It is only available for: ● iPhone X, XS, XR, XS Max, and later models ● iPad Pro 3rd Gen 2018 and later models