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After cataract surgery, the natural lens, which filters blue light, is replaced with a synthetic lens that allows more blue light to pass through. This sudden increase in blue light reaching the retina causes the brain to perceive a blue tint in vision. This effect is temporary as the brain and eyes gradually adapt to the new lens.
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. [6] Certainly, additional symptoms may be present with the amaurosis fugax, and those findings will depend on the cause of the transient monocular vision loss. [citation needed]
[1] [4] Complications can include swelling of the brain or lungs, seizures, low blood sugar, or cardiac arrest. [1] While usually due to aspirin, other possible causes include oil of wintergreen and bismuth subsalicylate. [2] Excess doses can be either on purpose or accidental. [1] Small amounts of oil of wintergreen can be toxic. [2]
In rare cases, Viagra and other ED medications may cause issues such as blurred vision, loss of vision, hearing loss, nasal congestion and feelings of dizziness or lightheadedness, indigestion or ...
Some glaucomas (e.g. open angle glaucoma) cause gradual loss of vision and some others (e.g. angle closure glaucoma) cause sudden loss of vision. [6] It is one of the leading cause of blindness worldwide. [2] Diabetes: Poorly controlled blood sugar can lead to temporary swelling of the lens of the eye, resulting in blurred vision. While it ...
Other symptoms can include numbness in the face, arm, or leg, particularly if it’s one side of the body, confusion, trouble seeing, trouble walking, and a severe headache with no known cause.
Blurred vision: Those with nonexudative (dry) macular degeneration may be asymptomatic or notice a gradual loss of central vision, whereas those with exudative (wet) macular degeneration often notice a rapid onset of vision loss (often caused by leakage and bleeding of abnormal blood vessels).
Major symptoms are sudden loss of vision (partial or complete), sudden blurred or "foggy" vision, and; pain on movement of the affected eye. [4] [5] [2]Many patients with optic neuritis may lose some of their color vision in the affected eye (especially red), with colors appearing subtly washed out compared to the other eye.