MWAS 11 – Flicker

  • a rate between 2 and 55 Hertz can induce seizures in certain sensitive people

  • Suggested techniques:

    • Avoid flicker entirely.

    • Allow users to stop animation.

    • Do not use scrolling text or
      other elements that cannot
      be controlled.

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Pages shall be designed to avoid causing the screen to flicker with a frequency greater than 2 Hz and lower than 55 Hz .

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