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Some sources, such as NATO and the U.S. Department of Defense, state that "flash blindness" can be temporary or permanent. [3] Other sources restrict the use of the word to temporary, reversible vision loss, distinguishing it from permanent blindness in a hierarchy of effects: "when the eye perceives bright light one of four reactions may take ...
Despite the temporary nature of the vision loss, those experiencing amaurosis fugax are usually advised to consult a physician immediately as it is a symptom that may herald serious vascular events, including transient ischemic attack (TIA) or stroke.
It is light-sensitive and communicates visual messages to the brain. If the retina detaches, it moves and shifts from its normal position. This can cause photopsia, but can also cause permanent vision loss. Medical attention is needed to prevent vision loss. Procedures may include laser treatment, freezing, or surgery.
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Temporary loss of vision or a portion of the vision of one eye, lasting seconds to minutes, may also be an indication of a circulatory disorder or swelling of the optic nerve and should be ...
Vision remains normal beyond the borders of the expanding scotoma(s), with objects melting into the scotoma area background similarly to the physiological blind spot, which means that objects may be seen better by not looking directly at them in the early stages when the spot is in or near the center. The scotoma area may expand to occupy one ...
Temporary blindness, a type of non-permanent vision loss, may refer to: Amaurosis fugax, or fleeting blindness; Conversion disorder, formerly called hysterical blindness; Flash blindness, caused by exposure to high-intensity light.
Amblyopia: is a category of vision loss or visual impairment that is caused by factors unrelated to refractive errors or coexisting ocular diseases. [59] Amblyopia is the condition when a child's visual systems fail to mature normally because the child either has been born premature, measles, congenital rubella syndrome, vitamin A deficiency ...
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