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Amblyopia. Anisometropia is a condition in which a person's eyes have substantially differing refractive power. [ 1] Generally, a difference in power of one diopter (1D) is the threshold for diagnosis of the condition. [ 2][ 3] Patients may have up to 3D of anisometropia before the condition becomes clinically significant due to headache, eye ...
Wernicke encephalopathy ( WE ), also Wernicke's encephalopathy, [ 1] or wet brain is the presence of neurological symptoms caused by biochemical lesions of the central nervous system after exhaustion of B-vitamin reserves, in particular thiamine (vitamin B 1 ). [ 2] The condition is part of a larger group of thiamine deficiency disorders that ...
In ophthalmology, Functional visual loss is the reduction in visual acuity or visual field that has no physiological or organic basis. This disease can come under the spectrum of functional neurological disorder or somatic symptom disorder under the categorization of the Diagnostic and Statistical Manual of Mental Disorders -5.
Posterior reversible encephalopathy syndrome ( PRES ), also known as reversible posterior leukoencephalopathy syndrome ( RPLS ), is a rare condition in which parts of the brain are affected by swelling, usually as a result of an underlying cause. Someone with PRES may experience headaches, changes in vision, and seizures, with some developing ...
Wernicke-Korsakoff syndrome ( WKS) is the combined presence of Wernicke encephalopathy (WE) and alcoholic Korsakoff syndrome (AKS [clarification needed] ). Due to the close relationship between these two disorders, people with either are usually diagnosed with WKS as a single syndrome. It mainly causes vision changes, ataxia and impaired memory.
Suppression of an eye is a subconscious adaptation by a person's brain to eliminate the symptoms of disorders of binocular vision such as strabismus, convergence insufficiency and aniseikonia. The brain can eliminate double vision by ignoring all or part of the image of one of the eyes. The area of a person's visual field that is suppressed is ...
The signs and symptoms can vary in onset, quality, duration, severity, and response to treatment. Symptoms tend to present acutely over days to weeks. Its symptoms depend on which areas of the brain the disease affects, because specific parts of the brain have particular functions.
LHON Plus is a rare variant of the disorder with eye disease together with other conditions. [2] Its symptoms include loss of the brain's ability to control the movement of muscles, tremors, and cardiac arrhythmia. [3]