Look at green plants can not make eyesight recovery, overlooking the distant green plants, can only improve the regulation of eye spasm, to relieve visual fatigue, so that the role of eye rest. Green has a regulating and relaxing effect on the eyes, and when we look at green plants from a distance, the eyes are in a state of complete relaxation of the ciliary muscle, so when we work at close range for a certain amount of time, we should look at green plants in the distance to give our eyes a full rest. Therefore, in daily life, it is recommended that adults, teenagers and children should look at distant greenery after working at close range for about 40 minutes, so that their eyes can relax and rest as much as possible, generally for about 20 minutes. By looking at distant green plants, the ciliary muscle of the eyes can be relaxed, so that the eyes can fully rest and improve the state of eye fatigue.