{
  "url": "https://dantelabs.com/traits/irregular-astigmatism",
  "trait": {
    "bundleId": "2026.10.18-e609d43e",
    "release": "2026-09-01",
    "slug": "irregular-astigmatism",
    "id": "HP:0031792",
    "name": "Irregular astigmatism",
    "definition": "A type of astigmatism in which the principle meridians are not 90 degrees apart and which is associated with loss of vision.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      }
    ],
    "broader": [
      {
        "slug": "astigmatism",
        "name": "Astigmatism",
        "url": "https://dantelabs.com/traits/astigmatism"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "col17a1",
        "symbol": "COL17A1",
        "hgnc": "HGNC:2194",
        "name": "collagen type XVII alpha 1 chain",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col17a1"
      },
      {
        "slug": "slc4a11",
        "symbol": "SLC4A11",
        "hgnc": "HGNC:16438",
        "name": "solute carrier family 4 member 11",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc4a11"
      }
    ]
  }
}