When does high blood pressure cause blurred vision?

Yes, indeed. Get Rx : Branch and central vein occlusion are a known cause of blurred vision in hypertensive patients. Early treatment of both the hypertension and the vein occlusion is essential because damage to the retina can be irreversible if ignored. Early treatment with growth factor inhibitors and steroids can restore vision. Other types of damage can occur to the retina with chronic high blood pressure.