There are several reasons for the patient’s head swelling and blurred eyes: 1. Most commonly, many people will experience head swelling and blurred eyes when they do not get enough sleep, stay up late, or use their eyes excessively. 2. Consider that it is related to elevated blood pressure fluctuations, which can be clarified by measuring blood pressure. This is because elevated blood pressure will lead to cerebral vasodilatation and increased blood flow to the brain, causing patients to experience head swelling, dizziness, and blurred eyes.3. Consider that glaucoma disease is the cause, and patients will experience blurred eyes, eye swelling, and head swelling.4. If the patient’s blurred eyes appear suddenly, it may also be caused by ischemic cerebrovascular disease. For example, occipital lobe infarction of the brain can cause patients to have blurred eyes, unclear vision, dizziness, and head swelling.