App must render without convergence errors or unusual distortion.
Required - Yes
If you are using Unity or Unreal for development, this is less of a concern because the Oculus engine integration always uses correct convergence. However, you must ensure that any pre-rendered stereo media content is free from convergence issues that could have been introduced during media production.
For more information, see Binocular Vision, Stereoscoping Imaging and Depth Cues.
Objects should render normally without distortion, stretching when moving your head, or feeling like they’re being rendered too close to your face.