1.3.- How to test Intermediate Vision?
Select the presentation distance in the INTERMEDIATE picker -> Press Go below Intermediate -> Confirm
To measure intermediate visual acuity you have first to select the distance in the INTERMEDIATE 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.