EyeNetra is a MIT startup that has create a device to allow people to perform a eyetest with a cellphone.  Gestalt transformed a challenging 20 min technician- administered eye test into a easy 6 min self-administered test. Gestalt was responsible for designing all aspects of test experience, the tutorial, and the number, format, and location of the controls. In addition Gestalt fed insights about usability and ergonomics from user testing to the industrial design team.