Instructions 1: Multi-frequency and multi-color light alternating flash stimulation method: Press "Function Key" to select the corresponding "Amblyopia", "Myopia" and "Strabismus" type, and adjust the viewing glasses to be worn on the head (or held in hand) Press the "A" key and focus on the red cursor in the two-eye mirror to start training. The "weak" pulse of the "electroacupuncture intensity indicator" starts to flash, and the intensity of the electroacupuncture increases or decreases with long press (or 10 consecutive presses). 2: Visual physiological stimulation method: Install the grating and drawing board according to the installation sequence. Dip the grating into a little water and stick it on the chassis. The pattern piece is pasted under the transparent board, and the patient draws on the transparent board with a watercolor pen. The patient should sit upright and keep his eyes one foot away from the instrument. Press the "Function Key" to select "Visual Spur", and the disc on the host computer starts to rotate. 3: Light brush: After the power is turned on, the light brush starts to work. If it needs to be stopped, just turn off the power. 2 to 3 times a day, a course of treatment lasts for thirty days. After a course of treatment, self-examination of vision can be performed.?Tip?Treatment of amblyopia is a long-term process. Many children do not insist on training because they feel bored and miss the best time for cure. Parents can give their children more encouragement, support and patience, and persist in training. ?Simple operation?The amblyopia treatment device is simple to operate, highly interesting, and has many functions. Different combinations are used each time, which is more in line with the fresh and curious physiological characteristics of primary school students, making primary school students happy to accept it. ?Principle of alternating flashing of multi-frequency and multi-color light?It is developed based on the characteristic principle of flashing of colored light to stimulate the exciting visual system and light reflection to induce regulatory reflex. ?Improve vision?Use multi-colored light to flash alternately to stimulate cone cells, activate the visual system, and promote visual development. Use black and white bars of different frequencies as visual stimulation sources to enhance the development of central cells and improve vision. ?Flicker vision enhancement device?It has the functions of multi-color alternating flash CAM visual stimulation method, afterimage vision enhancement therapy, Heidinger brush, periorbital pulse acupuncture, fine vision training, music assistance, program computer control and other functions.