Exercise the optic nerve endings through dynamic exercises. Psychology uses this table to study and develop the speed of psychological perception, including the speed of visually oriented search movements.It is used to cultivate attention, distribution, and control ability; expand visual field; speed up video; improve visual stability, discrimination, and directional search ability. The longer you practice, the shorter the time it takes to look at the watch. With the deepening of the practice, the visual ability of the eyeball is improved. Not only beginners can effectively expand the video frame, speed up the reading rhythm, and exercise the eye to quickly read it. Moreover, after entering the improvement phase, the vertical and horizontal visual frames are expanded to achieve one eye and one eye. A page is very effective.