{
  "url": "https://dantelabs.com/traits/poor-visual-behavior-for-age",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "poor-visual-behavior-for-age",
    "id": "HP:0025152",
    "name": "Poor visual behavior for age",
    "definition": "Lack of visual responsiveness or decrease in visual capabilities suggesting a lack of visual responsiveness or decrease in visual capabilities in an infant or young child in which visual behavior fails to meet normal developmental milestones.",
    "synonyms": [
      "Abnormal visual behavior for age",
      "Abnormal visual behaviour for age"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-vision",
        "name": "Abnormality of vision",
        "url": "https://dantelabs.com/traits/abnormality-of-vision"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "fdxr",
        "symbol": "FDXR",
        "hgnc": "HGNC:3642",
        "name": "ferredoxin reductase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fdxr"
      },
      {
        "slug": "prnp",
        "symbol": "PRNP",
        "hgnc": "HGNC:9449",
        "name": "prion protein (Kanno blood group)",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prnp"
      },
      {
        "slug": "syt1",
        "symbol": "SYT1",
        "hgnc": "HGNC:11509",
        "name": "synaptotagmin 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/syt1"
      },
      {
        "slug": "tbc1d24",
        "symbol": "TBC1D24",
        "hgnc": "HGNC:29203",
        "name": "TBC1 domain family member 24",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tbc1d24"
      }
    ]
  }
}