{
  "url": "https://dantelabs.com/traits/dermatochalasis",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "dermatochalasis",
    "id": "HP:0010750",
    "name": "Baggy eyes",
    "label": "Dermatochalasis",
    "definition": "Loss of elasticity of the upper and lower eyelids causing the skin to sag and bulge.",
    "synonyms": [
      "Droopy eyelid skin",
      "Extra eyelid skin",
      "Hooding of eyelids",
      "Redundant eyelid skin",
      "Eyelid dermatochalasia"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-eyelid-morphology",
        "name": "Abnormality of the eyelid",
        "url": "https://dantelabs.com/traits/abnormal-eyelid-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "efemp2",
        "symbol": "EFEMP2",
        "hgnc": "HGNC:3219",
        "name": "EGF-like fibulin extracellular matrix protein 2",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/efemp2"
      },
      {
        "slug": "fbln5",
        "symbol": "FBLN5",
        "hgnc": "HGNC:3602",
        "name": "fibulin 5",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fbln5"
      },
      {
        "slug": "ltbp1",
        "symbol": "LTBP1",
        "hgnc": "HGNC:6714",
        "name": "latent transforming growth factor beta binding protein 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ltbp1"
      },
      {
        "slug": "arl6",
        "symbol": "ARL6",
        "hgnc": "HGNC:13210",
        "name": "ARF like GTPase 6",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/arl6"
      },
      {
        "slug": "bbs1",
        "symbol": "BBS1",
        "hgnc": "HGNC:966",
        "name": "Bardet-Biedl syndrome 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/bbs1"
      },
      {
        "slug": "ccdc28b",
        "symbol": "CCDC28B",
        "hgnc": "HGNC:28163",
        "name": "coiled-coil domain containing 28B",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ccdc28b"
      },
      {
        "slug": "knstrn",
        "symbol": "KNSTRN",
        "hgnc": "HGNC:30767",
        "name": "kinetochore localized astrin (SPAG5) binding protein",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/knstrn"
      },
      {
        "slug": "pik3cd",
        "symbol": "PIK3CD",
        "hgnc": "HGNC:8977",
        "name": "phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pik3cd"
      },
      {
        "slug": "smc3",
        "symbol": "SMC3",
        "hgnc": "HGNC:2468",
        "name": "structural maintenance of chromosomes 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/smc3"
      },
      {
        "slug": "col1a1",
        "symbol": "COL1A1",
        "hgnc": "HGNC:2197",
        "name": "collagen type I alpha 1 chain",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col1a1"
      },
      {
        "slug": "col5a1",
        "symbol": "COL5A1",
        "hgnc": "HGNC:2209",
        "name": "collagen type V alpha 1 chain",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col5a1"
      },
      {
        "slug": "col5a2",
        "symbol": "COL5A2",
        "hgnc": "HGNC:2210",
        "name": "collagen type V alpha 2 chain",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col5a2"
      }
    ]
  }
}