High blood pressure causes vision loss, mainly because high blood pressure is not well controlled for a long time, resulting in spasm of the small arteries of the retina, with high blood pressure, poor control, slowly will appear sclerosis, a sudden increase in blood pressure can also cause retinal exudation and possible hemorrhage in the fundus, and also edema of the optic disc and so on, so there is a blurred vision, resulting in vision loss. So this time you can not simply treat the problem of vision, must let the blood pressure quickly down, if continue to rise will aggravate the problem of vision loss, the consequences will be very serious. It is important to choose the right antihypertensive medication and improve the habits of life, such as salt restriction, smoking cessation, weight loss, healthy exercise, diet adjustment, etc. In addition, the patient’s symptoms can be improved by combining antihypertensive medication with ophthalmic treatment.