{
  "url": "https://dantelabs.com/traits/dark-choroid",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "dark-choroid",
    "id": "HP:0025148",
    "name": "Dark choroid",
    "definition": "A fluorescein angiographic finding of absence of the normal background fluorescence (a dark choroid).",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-choroid-morphology",
        "name": "Abnormal choroid morphology",
        "url": "https://dantelabs.com/traits/abnormal-choroid-morphology"
      },
      {
        "slug": "abnormal-fundus-fluorescein-angiography",
        "name": "Abnormal fundus fluorescein angiography",
        "url": "https://dantelabs.com/traits/abnormal-fundus-fluorescein-angiography"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "abca4",
        "symbol": "ABCA4",
        "hgnc": "HGNC:34",
        "name": "ATP binding cassette subfamily A member 4",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/abca4"
      },
      {
        "slug": "prph2",
        "symbol": "PRPH2",
        "hgnc": "HGNC:9942",
        "name": "peripherin 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prph2"
      }
    ]
  }
}