Valve Index distortion profile for BOBOVR Z6 / VR Shark X6

"tracking_to_eye_transform": [
    {
      "distortion": {
        "center_x": 0.0266030840575695,
        "center_y": -0.0206936560571194,
        "coeffs": [
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        ],
        "type": "DISTORT_DPOLY3_SCALED"
      },
      "distortion_blue": {
        "center_x": 0.0266030840575695,
        "center_y": -0.0206936560571194,
        "coeffs": [
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          -0.0295325089246035,
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        ],
        "type": "DISTORT_DPOLY3_SCALED"
      },
      "distortion_red": {
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        "center_y": -0.0206936560571194,
        "coeffs": [
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          -0.0046810714349568077
        ],
        "type": "DISTORT_DPOLY3_SCALED"
      },
      "eye_to_head": [
        [
          0.99619472,
          0,
          0.0871557444
        ],
        [
          0,
          1,
          0
        ],
        [
          -0.0871557444,
          0,
          0.99619472
        ]
      ],
      "grow_for_undistort": 0.600000023841858,
      "intrinsics": [
        [
          1.2624979019165,
          0,
          -0.0266030840575695
        ],
        [
          0,
          1.13463461399078,
          0.0206936560571194
        ],
        [
          0,
          0,
          -1
        ]
      ],
      "undistort_r2_cutoff": 1.32747542858124
    },
    {
      "distortion": {
        "center_x": -0.111167058348656,
        "center_y": -0.0238202586770058,
        "coeffs": [
          -0.230745151638985,
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          -0.0223115216940641,
          -0.00086494718733714918
        ],
        "type": "DISTORT_DPOLY3_SCALED"
      },
      "distortion_blue": {
        "center_x": -0.111167058348656,
        "center_y": -0.0238202586770058,
        "coeffs": [
          -0.242340296506882,
          0.00427113194018602,
          -0.029738886281848,
          0.0066137170065211194
        ],
        "type": "DISTORT_DPOLY3_SCALED"
      },
      "distortion_red": {
        "center_x": -0.111167058348656,
        "center_y": -0.0238202586770058,
        "coeffs": [
          -0.227475225925446,
          0.000131090986542404,
          -0.0219291429966688,
          -0.0052111678729988313
        ],
        "type": "DISTORT_DPOLY3_SCALED"
      },
      "eye_to_head": [
        [
          0.99619472,
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        ],
        [
          0,
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        ],
        [
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          0,
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        ]
      ],
      "grow_for_undistort": 0.600000023841858,
      "intrinsics": [
        [
          1.26217234134674,
          0,
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        ],
        [
          0,
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          0.0238202586770058
        ],
        [
          0,
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          -1
        ]
      ],
      "undistort_r2_cutoff": 1.33702862262726
    }