{
  "id": 3559,
  "label": "presbyopia",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0001330",
  "properties": {
    "xrefs": [
      "DOID:11638",
      "ICD10CM:H52.4",
      "ICD9:367.4",
      "MEDGEN:10912",
      "MESH:D011305",
      "SCTID:41256004",
      "UMLS:C0033075",
      "icd11.foundation:22794400"
    ],
    "categories": [
      {
        "ref": "MONDO:0002022",
        "name": "disorder of orbital region"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "The normal decreasing elasticity of the crystalline lens that leads to loss of accommodation."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 3196,
      "label": "eye accommodation disease",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7019
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:10034",
          "ICD9:367.5",
          "MEDGEN:508925",
          "SCTID:54552008",
          "UMLS:C0152198"
        ],
        "synonyms": [
          "disorder of accommodation"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "Disease that disrupts the process by which the vertebrate eye changes optical power to maintain a clear image or focus on an object as its distance varies."
      },
      "child_count": 4,
      "reference_id": "MONDO:0000926"
    },
    {
      "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": [],
  "roots": [
    {
      "id": 3196,
      "label": "eye accommodation disease"
    },
    {
      "id": 6646,
      "label": "refractive error"
    }
  ]
}