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Where episodes frequently occur, or there is an underlying disorder, one medical, [6] or three types of surgical curative procedures may be attempted: [7] use of therapeutic contact lens, controlled puncturing of the surface layer of the eye (Anterior Stromal Puncture) and laser phototherapeutic keratectomy (PTK).
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 is not the most common form.
When one looks at the left edge, one will see a faint blue spike going from the light to the right. A phosphene is the perception of light without light actually entering the eye, for instance caused by pressure applied to the closed eyes.
A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.
A greyout can be readily reversed by lying down as the cardiovascular system does not need to work against gravity for blood to reach the brain. A greyout may be experienced by aircraft pilots pulling high positive g-forces as when pulling up into a loop or a tight turn, which forces blood to the lower extremities of the body and lowers blood ...
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No one, the operator told her, was coming: Many local fire crews had been sent to help with another wildfire tearing through the Pacific Palisades; the rest were already battling similar fires ...