Blurred vision may be caused by high blood pressure, but there are many other reasons for blurred vision, and the patient must go to the hospital for a detailed examination to find out the cause. Hypertensive patients can develop hypertensive retinopathy, and even cause fundus hemorrhage and affect the patient’s vision, but not once the blurred vision is thought to be caused by hypertension, the patient must undergo a detailed examination to confirm the diagnosis. Any disease that can affect the transparency of the refractive interstitium of the eye or the function of the retinal tissue may cause blurred vision, such as cataract, diabetic retinopathy, macular degeneration, uveitis, glaucoma and so on. It is recommended that patients with blurred vision seek prompt medical attention to evaluate their condition and follow the doctor’s instructions for treatment.