Patients feel dizziness and blurred vision, mainly consider the following aspects of the cause: 1, and patients with a long time to stay up late, lack of sleep or incorrect use of the eyes caused by, for example, look at the cell phone, look at the computer for too long, visual fatigue will appear dizziness and blurred vision. 2, consider the systemic diseases caused by the presence of chronic anemia, the brain and the surrounding tissues and organs of insufficient blood supply, oxygen supply, the patient will be dizziness and blurred vision, The symptoms of weakness in the limbs can be clarified through routine blood tests. 3, pay attention to whether there is low blood pressure, hypoglycemia and other reasons, hypoglycemia is mainly seen in patients with diabetes, taking hypoglycemic drugs caused by too large a dosage. 4, the patient often feel dizzy and blurred eyes, pay attention to whether there is a stenosis of the cerebral arteries caused by the lack of cerebral blood supply.