{
  "id": 3932,
  "label": "optic disk drusen",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0001746",
  "properties": {
    "xrefs": [
      "DOID:13561",
      "ICD10CM:H47.32",
      "ICD9:377.21",
      "MEDGEN:14495",
      "MESH:D015594",
      "SCTID:33629003",
      "UMLS:C0029128"
    ],
    "synonyms": [
      "drusen of optic disc",
      "drusen of optic disk"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "Optic disk bodies composed primarily of acid mucopolysaccharides that may produce pseudopapilledema (elevation of the optic disk without associated intracranial hypertension) and visual field deficits. Drusen may also occur in the retina (see retinal drusen). (Miller et al., Clinical Neuro-Ophthalmology, 4th ed, p355)"
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4268,
      "label": "optic nerve disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4657,
        5469,
        21415
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:1891",
          "ICD9:377.49",
          "ICD9:377.9",
          "MEDGEN:854546",
          "MESH:D009901",
          "NCIT:C79698",
          "SCTID:77157004",
          "UMLS:C3887709"
        ],
        "synonyms": [
          "cranial nerve II disease",
          "cranial nerve II disease or disorder",
          "disease of cranial nerve II",
          "disease or disorder of cranial nerve II",
          "disorder of cranial nerve II",
          "optic nerve disorder",
          "second cranial nerve disorder"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A non-neoplastic or neoplastic disorder affecting the optic nerve (second cranial nerve)."
      },
      "child_count": 24,
      "reference_id": "MONDO:0002135"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4268,
      "label": "optic nerve disorder"
    }
  ]
}