They have to live in houses made out of mirrors for visual feedback.

He was forced to learn to control his movement all over again using only his conscious body image and visual feedback.

The display is otherwise not detectable, and offers no visual feedback.

This free, online tool provides visual feedback of a page's accessibility.

Balance and coordination training using visual feedback can also be incorporated into activities of daily living.

The problem with visual feedback is, you have to be attending.

The color change is induced by visual feedback; spiders with painted eyes were found to have lost this ability.

"Instead of visual feedback, we suggested controls that you feel," West says.

Thus, multi-tap is easy to understand, and can be used without any visual feedback.

Famous for its terseness, ed gives almost no visual feedback.