Search results
Results from the WOW.Com Content Network
Ocular ischemic syndrome is the constellation of ocular signs and symptoms secondary to severe, chronic arterial hypoperfusion to the eye. [1] Amaurosis fugax is a form of acute vision loss caused by reduced blood flow to the eye; it may be a warning sign of an impending stroke, as both stroke and retinal artery occlusion can be caused by thromboembolism due to atherosclerosis elsewhere in the ...
Anterior ischemic optic neuropathy. Specialty. Ophthalmology, optometry. Anterior ischemic optic neuropathy ( AION) is a medical condition involving loss of vision caused by damage to the optic nerve as a result of insufficient blood supply (ischemia). This form of ischemic optic neuropathy is generally categorized as two types: arteritic AION ...
1. Thus, the CHA 2 DS 2 -VASc score is a refinement of CHADS 2[ 8][ 10] score and extends the latter by including additional common stroke risk factors, that is, age 65–74, female gender and vascular disease. [ 11] In the CHA 2 DS 2 -VASc score, 'age 75 and above' also has extra weight, with 2 points. The maximum CHADS 2 score is 6, whilst ...
Visual impairment. Visual or vision impairment ( VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [ 6]
Cerebrovascular disease includes a variety of medical conditions that affect the blood vessels of the brain and the cerebral circulation. Arteries supplying oxygen and nutrients to the brain are often damaged or deformed in these disorders. [2] The most common presentation of cerebrovascular disease is an ischemic stroke or mini-stroke and ...
A simple blood test may be able to pick up on tell-tale signs of vascular problems in the brain, predicting stroke risk. Image credit: Douglas Sacha/Getty Images. This article originally appeared ...
CT scan slice of the brain showing a right- hemispheric cerebral infarct (left side of image). Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people ...
Signs and symptoms. The experience of amaurosis fugax is classically described as a temporary loss of vision in one or both eyes that appears as a "black curtain coming down vertically into the field of vision in one eye;" however, this altitudinal visual loss not the most common form. In one study, only 23.8 percent of patients with transient ...