{
  "id": 12402,
  "label": "astigmatism",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0011284",
  "properties": {
    "xrefs": [
      "CSP:1116-1831",
      "DOID:11782",
      "HP:0000483",
      "ICD10CM:H52.2",
      "ICD9:367.2",
      "ICD9:367.20",
      "MEDGEN:2473",
      "MESH:D001251",
      "OMIM:603047",
      "SCTID:82649003",
      "UMLS:C0004106",
      "icd11.foundation:402558626"
    ],
    "synonyms": [
      "astigmatism",
      "astigmatism (disease)"
    ],
    "categories": [
      {
        "ref": "MONDO:0002022",
        "name": "disorder of orbital region"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less diffuse area. This results from the radius of curvature in one plane being longer or shorter than the radius at right angles to it. (Dorland, 27th ed)"
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 2,
  "parents": [
    {
      "id": 6646,
      "label": "refractive error",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7019
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:9835",
          "MEDGEN:20508",
          "MESH:D012030",
          "SCTID:39021009",
          "UMLS:C0034951"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A defect in the focusing of light on the retina as in astigmatism, myopia, or hyperopia."
      },
      "child_count": 7,
      "reference_id": "MONDO:0004892"
    }
  ],
  "children": [
    {
      "id": 3586,
      "label": "regular astigmatism",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        12402
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:11781",
          "ICD10CM:H52.22",
          "ICD9:367.21",
          "MEDGEN:508921",
          "SCTID:68905002",
          "UMLS:C0152193",
          "icd11.foundation:879600754"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ]
      },
      "child_count": 0,
      "reference_id": "MONDO:0001364"
    },
    {
      "id": 4011,
      "label": "irregular astigmatism",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        12402
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:13919",
          "ICD10CM:H52.21",
          "ICD9:367.22",
          "MEDGEN:508922",
          "SCTID:47099006",
          "UMLS:C0152194",
          "icd11.foundation:1086387343"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ]
      },
      "child_count": 0,
      "reference_id": "MONDO:0001831"
    }
  ],
  "roots": [
    {
      "id": 6646,
      "label": "refractive error"
    }
  ]
}