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[[File:VAC segment.png|thumb|right|300px|Vergence-focus conflict]]
+[[File:VAC segment.png|thumb|right|300px|Focal conflict in VR]]
'''Focal conflict''' is when a brain receives mismatching cues between eyes' [[focus]] and [[vergence]]. The effect can be unpleasant and cause eye strain. This can happen with fixed-focus biscopic displays, such as the Oculus Rift, HoloLens, and 3D cinema.
'''Focal conflict''' is when a brain receives mismatching cues between eyes' [[focus]] and [[vergence]]. The effect can be unpleasant and cause eye strain. This can happen with fixed-focus biscopic displays, such as the Oculus Rift, HoloLens, and 3D cinema.