The purpose of the looking at the future...is to disturb the present!

Gaston Berger (1896-1960), francuski futurolog

An Augmented Reality Program Can Help Patients Overcome Parkinson’s Symptoms

Simple external cues, such as lines on the floor, can help Parkinson’s patients focus their efforts and overcome the difficulty of the symptoms. With augmented reality, those cues can be anywhere.
Link :
https://www.wired.com/story/lining-up-tech-to-help-banish-tremors-strolll-parkinsons/