
Control all the features of the Chart2020 LITE app from your iPhone You can mask, randomize, increase decrease VA sizes from your iPhone, set testing distance, display notations (feet, meters, logMAR and decimal) Control the size of the astigmatism target and the duochrome target for balancing Any function you can control on the iPad app you can control from this app You can use this app on another iPad, iPad mini or even iPad Pro.