{
  "id": 9448,
  "label": "isolated optic nerve hypoplasia",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0008136",
  "properties": {
    "xrefs": [
      "DOID:0111531",
      "GARD:0008419",
      "MEDGEN:322281",
      "NORD:1528",
      "OMIM:165550",
      "Orphanet:137902",
      "Orphanet:637061",
      "SCTID:724999003",
      "UMLS:C1833797",
      "icd11.foundation:609162974"
    ],
    "synonyms": [
      "Optic Nerve Hypoplasia",
      "familial bilateral optic nerve hypoplasia",
      "optic nerve hypoplasia, bilateral",
      "optic nerve hypoplasia, familial bilateral",
      "isolated optic nerve hypoplasia/aplasia",
      "optic nerve aplasia, bilateral",
      "optic nerve hypoplasia"
    ],
    "categories": [
      {
        "ref": "MONDO:0002022",
        "name": "disorder of orbital region"
      },
      {
        "ref": "MONDO:0002118",
        "name": "urinary system disorder"
      },
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ]
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 19769,
      "label": "hereditary optic neuropathy",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7019
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0019540",
          "MedDRA:10061323",
          "Orphanet:98671",
          "icd11.foundation:2452831"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ]
      },
      "child_count": 8,
      "reference_id": "MONDO:0020249"
    },
    {
      "id": 24875,
      "label": "PAX6-related ocular dysgenesis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4546,
        5006,
        24259,
        24270
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0026474"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0002118",
            "name": "urinary system disorder"
          },
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "Any eye disorder in which the cause of the disease is a mutation in the PAX6 gene."
      },
      "child_count": 8,
      "reference_id": "MONDO:0800183"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 19769,
      "label": "hereditary optic neuropathy"
    },
    {
      "id": 24875,
      "label": "PAX6-related ocular dysgenesis"
    }
  ]
}