V-NAV Usability Study: End Users Trying the Vortant Indoor Navigation Tool

The study will begin with an explanatory/training session where individuals with low vision will learn to use the V-NAV (Vortant NAVigation tool) indoor navigation app, and will have the opportunity to try it for a few representative tasks. The main activity includes a take-home trial, an extended unstructured period to emulate the post-purchase experience of users, during which participants will have the opportunity to use the V-NAV in their everyday lives. Data will be collected from the users to measure the relative advantage of V-NAV compared to the user's current indoor navigation method.

Inclusion Criteria:AFB "visually impaired" definition, acuity 20/70 or worse or field loss of 140 degreesExclusion Criteria:Any health condition that may affect safety of individual to participateAny physical, mental, or behavioral impairment that would provide more than minimal risk or hindering ability to comprehend the purpose of the device or otherwise to be a potential user of the V-NAV hardware or app.