Since the beginning of winter, haze, which contains a large number of toxic particles, has frequently attacked some areas of our country  Surveys show that continuous exposure to high concentrations of pollutants can cause 10% to 15% of people to suffer from chronic eye inflammation and xerophthalmia
The improvement of air quality cannot be achieved in a short period of time, and many people have to work in a polluted environment
 Some experts believe that if urgent measures are not taken to improve air quality, the incidence of these diseases and related complications will increase