When watching television, it is best to be able to look at the state of the lights on, you can avoid the light in the television to bring radiation to the eyes or lead to eye fatigue occurs, if in the case of watching television is a relatively dark environment, it is easy to cause eye fatigue, and if children or adolescents, it is easy to lead to myopia occurs. When watching television, in addition to moderate light, but also to maintain the correct reading distance, usually in watching television, reading distance is maintained at least four meters away, so as to play a protective role for the eyes, watching television time is generally recommended not to exceed one hour in a row, every hour to rest for about ten minutes, rest time can try to look into the distance or out, so as to reduce eye Fatigue symptoms, to avoid the occurrence of refractive error.