{
  "url": "https://dantelabs.com/traits/deuteranomaly",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "deuteranomaly",
    "id": "HP:0011520",
    "name": "Green-weak",
    "label": "Deuteranomaly",
    "definition": "A type of anomalous trichromacy associated with abnormal M photopigment, such that the absorption spectrum is shifted toward L wavelengths. Affected individuals have difficulties distinguishing between red and green.",
    "synonyms": [
      "Deuteranomoly"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      }
    ],
    "broader": [
      {
        "slug": "anomalous-trichromacy",
        "name": "Anomalous trichromacy",
        "url": "https://dantelabs.com/traits/anomalous-trichromacy"
      },
      {
        "slug": "red-green-dyschromatopsia",
        "name": "Red green color blindness",
        "url": "https://dantelabs.com/traits/red-green-dyschromatopsia"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "opn1mw",
        "symbol": "OPN1MW",
        "hgnc": "HGNC:4206",
        "name": "opsin 1, medium wave sensitive",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/opn1mw"
      }
    ]
  }
}