Monday, April 1, 2013

Photosensitive Epilepsy Causes

Seizures with or sensitivity to light. photosensitivity. In some patients with epilepsy when they see flashing lights or a pattern to make seizures more called "photosensitive epilepsy" is encouraging. For example, a photosensitive screen or a flashing light. Animation. Such as video games or computer screen color TV with multi-colored alternates. It's not that these lights will make time fly. There are also other factors such as the frequency of the light, which is generally in the range of 5-30 Hz stimulation frequency, brightness, contrast of the background light. The distance between the view and the light source. Length of light.

Photosensitive Epilepsy Causes


Photosensitive Epilepsy Causes

  • Flashing light
  • Bright, contrasting patterns such as white bars against a black background
  • Flashing white light followed by darkness
  • Stimulating images that take up your complete field of vision, such as being very close to a TV screen
  • Certain colors, such as red and blue

Some specific examples of situations or events that can trigger seizures in people with photosensitive epilepsy are:


  • Nightclub and theater lights, including strobe lights
  • TV screens and computer monitors
  • Flashing lights on police cars, fire trucks, ambulances, and safety alarms
  • Visual effects in movies, TV shows, and video games
  • Malfunctioning fluorescent lights and moving escalators
  • Light viewed through a fast-moving ceiling fan
  • Sunlight viewed through slanted blinds or stair railings
  • Sun shining through tree leaves or reflecting off water
  • Bold, striped wallpaper and fabric
  • Cameras with multiple flashes or many cameras flashing at the same time
  • Fireworks

Also, people with photosensitive epilepsy may be at increased risk for a seizure if they are:


  • Tired
  • Intoxicated
  • Play video games too long without a break

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