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Display motion blur

This article is about display motion blur. For motion blur in recorded media, see motion blur (media).
Depiction of eye-tracking motion blur
Discrepancy in eye tracking on common sample-and-hold type displays.


In modern displays, motion blur is an unwanted artifact caused primarily by:

  1. Retinal blur resulting from your eyes continuously tracking discrete movement. While your eyes move, the object you're tracking remains stationary throughout each frame, causing it to "smear". This does not happen in real life where both move continuously.
  2. Slow pixel response times, which lead to visible ghosting or smearing.


The faster the motion, the more pronounced the effect is.

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