Flicker vertigo
Flicker Vertigo
Flicker vertigo (/ˈflɪkər vɜːrˈtiːɡoʊ/), also known as photic stimulation vertigo, is a phenomenon in which exposure to low-frequency flickering or flashing light can induce an uncomfortable sensation of vertigo or even epileptic seizures.
Etymology
The term "flicker vertigo" is derived from the English word "flicker" meaning to shine with a light that is not steady, and the Latin word "vertigo" meaning a sensation of whirling and loss of balance.
Symptoms
Symptoms of flicker vertigo can include dizziness, nausea, headache, disorientation, ataxia, and in severe cases, seizures. The severity of symptoms can vary greatly between individuals and can be influenced by factors such as the frequency and intensity of the flickering light, the individual's distance from the light source, and the individual's susceptibility to photosensitive epilepsy.
Causes
Flicker vertigo is most commonly caused by exposure to low-frequency flickering or flashing light. This can occur in a variety of settings, such as when viewing a television or computer monitor that operates at a low refresh rate, or when exposed to flickering sunlight, such as when driving past a row of trees with the sun behind them.
Treatment
Treatment for flicker vertigo typically involves avoiding exposure to the triggering light source. In some cases, medication may be prescribed to help manage symptoms. Individuals who experience severe or recurrent episodes of flicker vertigo should consult a healthcare professional for further evaluation and treatment.
Related Terms
External links
- Medical encyclopedia article on Flicker vertigo
- Wikipedia's article - Flicker vertigo
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