Is not it too much stressful to use eyes as an input device? I don't think there general uses for people that can use a mouse. I think that the next revolution

Is not it too much stressful to use eyes as an input device? I don't think there general uses for people that can use a mouse. I think that the next revolution in input devices can be a keyboard that is actually like the iphone a display + touchscreen so that the keyboard will drastically change in order to be application-specific.