{
  "schema_version": "0.2.0-halo-draft",
  "example_only": true,
  "condition_id": "H01-translated",
  "coordinate_frame": "equivalent_view_arcmin_x_right_y_up_fixation_origin",
  "sources": [
    {
      "source_id": 0,
      "input_position_arcmin": [3.0, -2.0],
      "core_position_arcmin": [3.0, -2.0],
      "geometry_status": "circular_calibration",
      "features": [
        {
          "type": "first_Airy_bright_ring",
          "center_arcmin": [3.0, -2.0],
          "offset_from_core_arcmin": [0.0, 0.0],
          "radius_arcmin": 0.9661,
          "width_definition": "radial_intensity_FWHM",
          "width_arcmin": null,
          "recorded_angular_fraction": 1.0,
          "contour_mask_file": null,
          "uncertainty": "Analytic ideal-circular-pupil calibration expectation; width must be measured from submitted linear data."
        }
      ],
      "clinical_visibility_probability": null,
      "clinical_visibility_status": "not_evaluated"
    }
  ],
  "notes": [
    "This example is an analytical calibration ring, not a patient's ICL-port ring.",
    "Complex cases should report contours, directional radii, multiple peaks or undetermined geometry rather than forcing a circle.",
    "If no optical signal is present, features may be empty. Unknown quantities are null, not invented numerical values."
  ]
}