In addition to these causes, a person can experience amaurosis fugax due to a vasospasm, where the blood vessels in the eye suddenly tighten, restricting blood flow. Strenuous exercise, long-distance running, and sexual intercourse can all cause vasospasm. What are the treatments for amaurosis fugax? Treatment for amaurosis fugax involves identifying and treating the underlying medical condition. A stroke occurs when a blood clot lodges in a blood vessel in the brain, stopping blood flow to the brain.
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In addition to these causes, a person can experience amaurosis fugax due to a vasospasm, where the blood vessels in the eye suddenly tighten, restricting blood flow. Strenuous exercise, long-distance running, and sexual intercourse can all cause vasospasm. What are the treatments for amaurosis fugax? Treatment for amaurosis fugax involves identifying and treating the underlying medical condition.
A stroke occurs when a blood clot lodges in a blood vessel in the brain, stopping blood flow to the brain. As a result, some of the most immediate treatments are related to reducing the likelihood for stroke.
Examples include: refraining from eating high-fat foods, such as fried, processed, or fast foods stopping smoking exercising at least 30 minutes a day for most days of the week managing chronic conditions, such as diabetes , high blood pressure, or high cholesterol Healthy habits and taking steps to maintain an ideal weight can help a person reduce their risk for amaurosis fugax.
How is amaurosis fugax diagnosed? Call your doctor. They will ask you about your symptoms and take a medical history. Your doctor will then perform a physical exam, including an eye exam. Your doctor may also order testing, which can include: imaging scans to identify blockages or damage to the blood vessels in your eyes blood testing to determine your cholesterol levels as well as likelihood of blood clotting an electrocardiogram, or EKG, to identify irregularities in your heartbeat that could lead to amaurosis fugax A doctor will consider your symptoms, age, and overall health when making a diagnosis related to amaurosis fugax and temporary vision loss.
What are the complications of amaurosis fugax? Although amaurosis fugax is a fleeting condition that causes symptoms lasting anywhere from a few minutes to an hour, it is often a concerning indicator of an underlying medical condition.
This includes an increased risk for stroke, which can be deadly. If a person ignores these signs, they are at risk for more severe complications. What is the prognosis for amaurosis fugax? Amaurosis fugax is a concerning symptom because it can indicate the likelihood a person will experience a stroke. If you experience even a short episode of temporary blindness, you should contact your doctor immediately.
In the case of TIAs, the sooner a condition is treated, the less likely severe complications will occur.
In one study, only Duration depends on the cause of the vision loss. Obscured vision due to papilledema may last only seconds, while a severely atherosclerotic carotid artery may be associated with a duration of one to ten minutes. Cause[ edit ] Prior to , amaurosis fugax could, "clinically, be divided into four identifiable symptom complexes, each with its underlying pathoetiology: embolic, hypoperfusion, angiospasm, and unknown". Atherosclerotic carotid artery : Amaurosis fugax may present as a type of transient ischemic attack TIA , during which an embolus unilaterally obstructs the lumen of the retinal artery or ophthalmic artery , causing a decrease in blood flow to the ipsilateral retina.
O que é amaurose e quais são as causas?