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This can occur in [[virtual reality]] devices, [[augmented reality]] devices, and binocular flat focus autostereoscopic displays. +
'''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.
−Focal conflict can occur in [[virtual reality]] devices, [[augmented reality]] devices, and binocular flat focus autostereoscopic displays.
When a human views the real world, vergence and focus distances typically match, and the human visual system has evolved to expect this.
When a human views the real world, vergence and focus distances typically match, and the human visual system has evolved to expect this.