Mr. Li recently felt intermittently itchy at the corners of his eyes, and after rubbing with his hands, his eyes became congested and red, and he sneezed from time to time. At first, he thought the itchy eyes were because he had been working on the computer for a long time during the day and he was on fire, and the sneezing was because he hadn’t paid attention to the “autumn cold” and had caught a cold recently, so he didn’t pay much attention to it and just took drops of eye drops and cold medicine, but the symptoms didn’t subside after a week. After going to the Tianjin Medical University Eye Center, the doctor found that Mr. Li was suffering from allergic conjunctivitis. Doctors said that the temperature difference between day and night in autumn, many allergic people are prone to red itchy eyes, tearing, and also feel hot eyes, and sometimes itchy nose. Many people who experience such symptoms mistake them for colds. Experts point out that, from the symptoms, allergic conjunctivitis and pink eye are similar, are red itchy eyes, tearing, etc., but the onset of pink eye two or three days will be swollen eyes, look at things are also painful, more importantly, “red eye” is also very contagious. The public is advised to eat more vitamin A-rich foods.