The blurring of the eyes of hot patients may be caused by physiological factors such as visual fatigue, and may also be caused by pathologic factors such as bacterial infection. 1. Physiological factors: If patients use electronic products for a long time in close proximity, it can cause visual fatigue, dryness of the patient’s eyes, but also blurred vision, soreness and other uncomfortable symptoms. 2. Pathological factors: hot weather, if the sweat into the eyes, easy to cause bacterial infection of the patient’s eyes, the patient’s eyes in the inflammation stimulation, the patient can appear conjunctival congestion, eye secretion increase and other symptoms, the condition worsened, the patient can also appear blurred vision and other symptoms. It is recommended that patients whose blurred vision is not relieved for a long period of time should consult a hospital in time to assess their condition and follow the doctor’s instructions for treatment.