A Usability Study of External Neuromodulation With iTEAR100 Generation 2. A study which evaluates user ability to train and access the iTEAR100 device in a telehealth environment. Subjects sign a consent form and are sent a device. After downloading a mobile app, they can access the device and download a prescription. At 7 days, an official telehealth visit evaluates their success in the set up and training. At 30 days, the trial ends, A usability survey and symptom evaluation survey are used to determine success.
