Coughing causes violent movements in the human brain, and the violent vibrations can lead to short term brain hypoxia, thus producing blinding. After the human brain is shocked by the vibration, it will injure the visual signaling nerves, and the nerve cells will produce tremors, which will also cause the symptoms of blinding. Patients with cough are advised to take active antibiotic or antiviral treatment, and can use cough and asthma oral liquid, Chuanbei cough syrup, lung power cough and other drugs. Pay attention to rest on a daily basis and eat more fresh multivitamin-rich vegetables and fruits to avoid the retina being pulled by the vitreous humor in the eye due to long-term violent coughing.