1.2.- How to test Far Vision?
Select the presentation distance in the FAR picker -> Press Go below Far-> Confirm
To measure far distance visual acuity you have first to select the distance in the FAR picker view, then put the iPad at the selected distance from the eyes and start to measure with the ETDRS. A confirmation message will appear, please ensure that the iPad is at the distance figured at the confirmation message. The last selected distance will appear when you restart the App.