For generations, the limits of vision testing have been set by the walls of the clinic and the charts upon them — measuring only a narrow corridor of what human sight can do. Two new tablet-based methods, AIM and FInD, now invite a broader reckoning: by adapting in real time to each person's responses, they can assess multiple dimensions of vision in minutes, on a device that fits in a pocket. The evidence suggests this framework is sound for acuity and contrast sensitivity, even as the subtler measures of form and motion perception call for further refinement before they can be trusted at the