The main components of haze are physical substances such as dust, sulfuric acid, nitric acid, and chemical particles in the air. It is very likely to cause irritation to the mucous membrane system of the eye and thus lead to non-infectious inflammation. It is usually characterized by redness and slight stinging of the eyes, with occasional itching, and in some severe cases, photophobia and tearing are more obvious. Some people are prone to dry eyes, which can be dry and painful. So when hazy weather irritates the eyes, you need to visit a regular eye hospital. For hazy weather, we all know to choose to wear a mask to defend the haze on the damage caused by the respiratory system, but in fact, the mucous membrane system of the eyes is also very sensitive to dust and chemicals, etc., so the defense is not only the respiratory system, and the windows of our hearts, more need to protect, mainly the following points: 1, away from the haze: in the hazy environment, easy to cause irritation to the eyes, to get away from the haze as soon as possible. 2, close the doors and windows: If you encounter hazy weather, to close the doors and windows tightly to avoid living in an indoor environment is polluted, causing harm to eye health. 3, diligent cleaning: because the haze carries more bacteria, to clean more, to avoid bacterial infection. 4, wear less contact lenses: go out as far as possible to choose frame glasses. 5, light diet: drink more water and eat more vegetables. 6, can choose wet room mirror.