Micropsia

Micropsia is a condition where the individual perceives objects as being smaller than they actually are. This can be due to damage or disruption to the visual pathway that leads from the retina of the eye to the visual cortex in the brain. Micropsia can be associated with various conditions such as macular degeneration, migraine, epilepsy, and use of certain drugs. It is also a common symptom of Alice in Wonderland Syndrome (AIWS), a condition characterized by perceptual distortions.

Causes

Micropsia can be caused by a variety of conditions and factors. These include:

• Macular degeneration: This is a medical condition which may result in blurred or no vision in the center of the visual field. It often occurs in older adults and can cause micropsia.
• Migraine: Some people may experience micropsia as a visual aura before the onset of a migraine.
• Epilepsy: Micropsia can be a symptom of a seizure in certain types of epilepsy.
• Drug use: Certain drugs, such as hallucinogens, can cause micropsia.
• Alice in Wonderland Syndrome (AIWS): This is a neurological condition where a person's sense of body image, space, and/or time distorts. Micropsia is a common symptom of AIWS.

Treatment

Treatment for micropsia often involves addressing the underlying cause. For example, if micropsia is caused by macular degeneration, treatment may involve medication or surgery to slow the progression of the disease. If micropsia is a symptom of a migraine, treatment may involve medication to prevent or reduce the severity of migraines.

See also

• Macropsia
• Dysmetropsia
• Visual Perception
• Alice in Wonderland Syndrome

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