Amblyopia therapy devices should be maintained and cared for in order to prolong the life of the device and ensure the safety and efficiency of amblyopia treatment. However, many parents know very little about this. Once the amblyopia treatment instrument absorbs dust and dirt, it will not only affect the performance of the instrument and shorten its service life, but also directly affect the treatment effect and delay the treatment of amblyopic children. The following is an introduction to the usual care and maintenance of amblyopia instrument: 1, the instrument to avoid being placed in strong light exposure or humid environment. 2, care for the instrument, reasonable use, operation in accordance with the operating diagram; after each use of the instrument, should be restored to its original state; shut down the power button, and then unplug the power cord. 3.Apply plastic bag or cloth bag to cover the instrument when it is not in use to avoid dust from entering. 4.When cleaning the instrument, use a wet spectacle cloth to wipe the eye lens, tracing slide, blue film box and flying film box, etc. If the dust is not easy to wipe clean, use a cotton ball with alcohol or ether to wipe. If it is difficult to clean by yourself, you can send it back to the manufacturer for cleaning. 5, the answer to the map when not used to pay attention to put away, to avoid wear flowers.