For patients with blurred vision and blurred eyesight, optometry examination and systemic examination such as blood glucose and blood pressure are feasible. 1. Optometry: Blurred vision is a typical manifestation of refractive error or presbyopia, patients can be clearly diagnosed through optometry to determine the patient’s refractive error and correct their vision by wearing glasses. 2. Blood sugar test: Blurred vision and blurred eyesight may be caused by high blood sugar or low blood sugar, etc. Patients can assess the normal blood sugar level through blood sugar test. 3. Blood pressure check: patients with high blood pressure may experience dizziness, blurred vision and other uncomfortable symptoms, patients can pass the blood pressure check to determine whether the blood pressure is normal. It is recommended that patients with blurred vision should consult the hospital in time to assess their condition and follow the doctor’s instructions for treatment.