Interface, Interaction and User Experience Design Intelligent Vision Test Automation and Sensing by Yen Chang Intelligent vision test is a wall mount medical device that achieves the precision and convenience of vision testing with automation and sensing systems, which simplifies the cumbersome mode switching and calculation process. Through the fitting suggestions and voice interaction of the trial lenses, the glasses wearers have the best choice of lenses; the screen is designed to be lifted and stretched, which can meet the measurement of adults and children at one time.