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[[File:VAC segment.png|thumb|right|300px|Focus conflict in VR]]

[[File:VAC segment.png|thumb|right|300px|Focus conflict in VR]]

A '''vergence focus 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 [[Meta Quest]], [[Oculus Rift]], and [[HoloLens]].

A '''focus 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 [[Meta Quest]], [[Oculus Rift]], and [[HoloLens]].

Focus conflict can occur in [[virtual reality]] devices, [[augmented reality]] devices, and binocular flat focus autostereoscopic displays.  

Focus conflict can occur in [[virtual reality]] devices, [[augmented reality]] devices, and binocular flat focus autostereoscopic displays.