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Amaurosis fugax. The arteries of the choroid and iris. The greater part of the sclera has been removed. Amaurosis fugax (Greek: ἀμαύρωσις, amaurosis meaning 'darkening', 'dark', or 'obscure', Latin: fugax meaning 'fleeting') is a painless temporary loss of vision in one or both eyes. [3]
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [ 6 ]
Temporary blindness. 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.
Glaucoma is the leading cause for irreversible blindness globally. [11] Glaucoma usually starts with no symptoms to start losing peripheral vision, and if untreated, it can leads to a complete loss of peripheral vision, which is tunnel vision, and eventually, central vision will be affected leading to complete blindness.
Vision disorder. Disability-adjusted life year for vision disorders (age-related) per 100,000 inhabitants in 2002. [ 1 ] A vision disorder is an impairment of the sense of vision. Vision disorder is not the same as an eye disease. Although many vision disorders do have their immediate cause in the eye, there are many other causes that may occur ...
Retinitis pigmentosa (RP) is a member of a group of genetic disorders called Inherited Retinal Dystrophy (IRD) that cause loss of vision. [ 1 ] Symptoms include trouble seeing at night and decreasing peripheral vision (side and upper or lower visual field). [ 1 ] As peripheral vision worsens, people may experience " tunnel vision ". [ 1 ]
Blurred vision is an ocular symptom where vision becomes less precise and there is added difficulty to resolve fine details. Temporary blurred vision may involve dry eyes, eye infections, alcohol poisoning, hypoglycemia, or low blood pressure. Other medical conditions may include refractive errors such as myopia, high hypermetropia, and ...
Anton syndrome, also known as Anton-Babinski syndrome and visual anosognosia, is a rare symptom of brain damage occurring in the occipital lobe. Those who have it are cortically blind, but affirm, often quite adamantly and in the face of clear evidence of their blindness, that they are capable of seeing. Failing to accept being blind, people ...