vascular problem
Problems with your body's vascular system (i.e., blood vessels, arteries and so on) can include hardening of the arteries, high blood pressure, a clot, an aneurysm, an embolus, etc. These problems can sometimes affect the eyes, resulting in such symptoms as blurred vision, a bulging eye, double vision, eye pain or discomfort, a red or pink eye, eyelid swelling and vision loss. See also: lupus erythematosus, vitreous hemorrhage.