Amaurosis fugax history and symptoms: Difference between revisions
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
History and Symptoms
The experience of amaurosis fugax is classically described as a transient monocular vision loss that appears as a "curtain coming down vertically into the field of vision in one eye;" however, this altitudinal visual loss is relatively uncommon. In one study, only 23.8 percent of patients with transient monocular vision loss experienced the classic "curtain" or "shade" descending over their vision.[1] Other descriptions of this experience include a monocular blindness, dimming, fogging, or blurring.[2] Total or sectorial vision loss typically lasts only a few seconds, but may last minutes or even hours. Duration depends on the etiology 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.[3] Certainly, additional symptoms may be present with the amaurosis fugax, and those findings will depend on the etiology of the transient monocular vision loss.
References
- ↑ Lord RS. "Transient monocular blindness." Aust N Z J Ophthalmol. 1990 Aug;18(3):299-305. PMID 2261177.
- ↑ Donders RC. "Clinical features of transient monocular blindness and the likelihood of atherosclerotic lesions of the internal carotid artery." J Neurol Neurosurg Psychiatry. 2001 Aug;71(2):247-9. PMID 11459904.