Frequently Asked Questions

Most drive controls become unusable as muscle atrophy progresses with ALS. When I started using a wheelchair, I used the wheelchair's joystick which I controlled with my hand. When I lost hand control I tried an alternative that responded to head movement but I was already losing control of my neck muscles. Alternatives that used my breath to control a chair were not an option due to quick respiratory decline with ALS. So I looked at what I could control. Typically eyes remain functional very late in the disease. I was already using an eyegaze system and I thought there had to be a way to make eyegaze connect with my wheelchair for control. As it turns out, EyeDrive provides the user control after other alternatives fail or become very unsafe.

I use EyeDrive every time I use my power wheelchair. I don't use my power chair every day, but very often. Some people do get into their power chairs daily. Whenever I am using EyeDrive, a caregiver is using CareDrive or VoiceDrive for added safety.

In addition to driving my chair, I use EyeDrive to turn my power chair on and off, to adjust my seating position, and to change settings like speed, driving profile, and lights. In addition, I can easily and quickly switch between the EyeDrive app and my communication app.

LifeDrive apps have been tested and refined over several years and work very reliably. We have experienced problems while driving outside, but not because of the EyeDrive technology. Older versions of the Tobii Dynavox eye trackers do not work in sunlight. The eye trackers available in the I-13, I-16, and PCEye, work better outside but can be inconsistent depending on lighting conditions. When we have experienced intermittent problems with eye tracking, we have a caregiver use the CareDrive or VoiceDrive app to control the chair using a moblie phone running our moblie joystick app or voice control.

The LifeDrive app has safeguards built in — for example, while you are driving the chair, if the eye tracker does not detect your eyes, then driving will stop.

In addition, a caregiver can stop the chair or turn the power off, as well as drive or adjust your chair using the mobile apps.

As far as our recommnedations for safety, we highly recommend using EyeDrive at low speed, especially when you are getting used to driving your wheelchair with your eyes.

LifeDrive should not be used outside without a caregiver around because eye tracking can be inconsistent outside. Inside, I frequently use EyeDrive without a caregiver immediately present, however I am careful not to recline my seat out of eye tracking range. I use the memory function of my power chair so that I can always restore my ideal position. Of course for someone like me, who is totally paralyzed and on a ventilator, a caregiver is usually nearby. During the pandemic I went for trach change procedures without a caregiver beside me due to hospital policy. I always remain in my chair for the procedure. I was able to use EyeDrive to drive to the procedure and recovery rooms and position my chair for the procedure.