The best mobile solution for pupillary distance (PD) measurement with camera. 👓 Try-On basic eyeglass frames bonus 🆓 Check your interpupillary distance (IPD) before buying eye- or sunglasses or VR headset If you have any questions, requests or need assistance with the app, please contact support@vistechprojects.com. If you have any issues with the app on your device we will address it as soon as you contact us or will give your a refund if you want to cancel your order for any reason.