{
  "url": "https://dantelabs.com/traits/undetectable-visual-evoked-potentials",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "undetectable-visual-evoked-potentials",
    "id": "HP:0007965",
    "name": "Undetectable visual evoked potentials",
    "synonyms": [
      "Absence of visual evoked potentials",
      "Non-detectable VEP",
      "Undetectable VEP"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      },
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-visual-evoked-potentials",
        "name": "Abnormality of visual evoked potentials",
        "url": "https://dantelabs.com/traits/abnormality-of-visual-evoked-potentials"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "atp1a3",
        "symbol": "ATP1A3",
        "hgnc": "HGNC:801",
        "name": "ATPase Na+/K+ transporting subunit alpha 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp1a3"
      },
      {
        "slug": "epg5",
        "symbol": "EPG5",
        "hgnc": "HGNC:29331",
        "name": "ectopic P-granules 5 autophagy tethering factor",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/epg5"
      },
      {
        "slug": "ndufs4",
        "symbol": "NDUFS4",
        "hgnc": "HGNC:7711",
        "name": "NADH:ubiquinone oxidoreductase subunit S4",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ndufs4"
      },
      {
        "slug": "otx2",
        "symbol": "OTX2",
        "hgnc": "HGNC:8522",
        "name": "orthodenticle homeobox 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/otx2"
      },
      {
        "slug": "ostm1",
        "symbol": "OSTM1",
        "hgnc": "HGNC:21652",
        "name": "osteoclastogenesis associated transmembrane protein 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ostm1"
      },
      {
        "slug": "prps1",
        "symbol": "PRPS1",
        "hgnc": "HGNC:9462",
        "name": "phosphoribosyl pyrophosphate synthetase 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prps1"
      },
      {
        "slug": "rdh11",
        "symbol": "RDH11",
        "hgnc": "HGNC:17964",
        "name": "retinol dehydrogenase 11",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rdh11"
      },
      {
        "slug": "mpdu1",
        "symbol": "MPDU1",
        "hgnc": "HGNC:7207",
        "name": "mannose-P-dolichol utilization defect 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mpdu1"
      },
      {
        "slug": "cox6b1",
        "symbol": "COX6B1",
        "hgnc": "HGNC:2280",
        "name": "cytochrome c oxidase subunit 6B1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cox6b1"
      },
      {
        "slug": "rab3gap2",
        "symbol": "RAB3GAP2",
        "hgnc": "HGNC:17168",
        "name": "RAB3 GTPase activating non-catalytic protein subunit 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rab3gap2"
      },
      {
        "slug": "znhit3",
        "symbol": "ZNHIT3",
        "hgnc": "HGNC:12309",
        "name": "zinc finger HIT-type containing 3",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/znhit3"
      }
    ]
  }
}