The HOYA visuReal®App combined with the portable measurement system provides an automatic and precise detection of various centration values: monocular PD, fitting heights, boxing, distance between lenses, head rotation, corneal vertex distance, wearing panthoscopic angle. Just put on the measurement tool, take the picture and save the results. Here you can download the app for the visuReal®portable measurement system and contact HOYA for ordering the required additional equipment like optics cover for the iPad and measurement tool as well as the activation for more measurements. Using the app requires a stable internet connection!