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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. But recent ...
Visual snow as a temporary occurrence under certain conditions is normal and doesn't require intervention. [citation needed] Visual snow syndrome is a pathological condition, where visual disturbances persist constantly and may be caused by issues in the visual or nervous system, requiring medical attention. [citation needed]
Children who experience nocturnal hallucinations accompanied by macropsia may seek medical care for panic attack disorders and instead are diagnosed with forms of epilepsy. Epilepsy patients may have no memory of the seizure, but can remember the hallucinations and aura which proceed the attack.
There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.
Mass anxiety hysteria "consists of episodes of acute anxiety, occurring mainly in schoolchildren. Prior tension is absent and the rapid spread is by visual contact." [6] Mass motor hysteria "consists of abnormalities in motor behaviour. It occurs in any age group and prior tension is present. Initial cases can be identified and the spread is ...
Pelopsia can be caused by psychoneurotic phenomena, changes in atmospheric clarity, or sometimes by wearing a corrective lens. AIWS is most common in children, with them accounting for 2/3 of documented cases. The most common way to treat this disorder is by treating its underlying cause. [1] [2]
Some psychological conditions (anxiety disorder, somatic symptom disorder, conversion disorder) may cause symptoms resembling syncope. [9] A number of psychological interventions are available. [29] Low blood sugar can be a rare cause of syncope. [30] Narcolepsy may present with sudden loss of consciousness similar to syncope. [9]
Anxiety disorders affect nearly 30% of adults at some point in their lives, with an estimated 4% of the global population currently experiencing an anxiety disorder. However, anxiety disorders are treatable, and a number of effective treatments are available. [11] Most people are able to lead normal, productive lives with some form of treatment ...