{
  "url": "https://dantelabs.com/traits/moderately-reduced-visual-acuity",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "moderately-reduced-visual-acuity",
    "id": "HP:0030515",
    "name": "Moderate visual impairment",
    "label": "Moderately reduced visual acuity",
    "definition": "Moderate reduction of the ability to see. On the 6m visual acuity scale, moderate reduction is defined as less than 6/18 but at least 6/60. On the 20ft visual acuity scale, moderate reduction is defined as less than 20/70 but at least 20/200. On the decimal visual acuity scale, moderate reduction is defined as less than 0.3 but at least 0.1.",
    "synonyms": [
      "Moderate reduction in visual acuity",
      "Moderate vision loss",
      "Moderate visual loss"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-eye",
        "name": "Abnormality of the eye",
        "url": "https://dantelabs.com/traits/abnormality-of-the-eye"
      }
    ],
    "broader": [
      {
        "slug": "reduced-visual-acuity",
        "name": "Decreased clarity of vision",
        "url": "https://dantelabs.com/traits/reduced-visual-acuity"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "cfap20",
        "symbol": "CFAP20",
        "hgnc": "HGNC:29523",
        "name": "cilia and flagella associated protein 20",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cfap20"
      },
      {
        "slug": "cngb3",
        "symbol": "CNGB3",
        "hgnc": "HGNC:2153",
        "name": "cyclic nucleotide gated channel subunit beta 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cngb3"
      },
      {
        "slug": "fdxr",
        "symbol": "FDXR",
        "hgnc": "HGNC:3642",
        "name": "ferredoxin reductase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fdxr"
      },
      {
        "slug": "piga",
        "symbol": "PIGA",
        "hgnc": "HGNC:8957",
        "name": "phosphatidylinositol glycan anchor biosynthesis class A",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/piga"
      },
      {
        "slug": "rpgrip1",
        "symbol": "RPGRIP1",
        "hgnc": "HGNC:13436",
        "name": "RPGR interacting protein 1",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/rpgrip1"
      },
      {
        "slug": "tmem216",
        "symbol": "TMEM216",
        "hgnc": "HGNC:25018",
        "name": "transmembrane protein 216",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tmem216"
      },
      {
        "slug": "ahr",
        "symbol": "AHR",
        "hgnc": "HGNC:348",
        "name": "aryl hydrocarbon receptor",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ahr"
      },
      {
        "slug": "dnm1l",
        "symbol": "DNM1L",
        "hgnc": "HGNC:2973",
        "name": "dynamin 1L",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dnm1l"
      },
      {
        "slug": "impg1",
        "symbol": "IMPG1",
        "hgnc": "HGNC:6055",
        "name": "interphotoreceptor matrix proteoglycan 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/impg1"
      },
      {
        "slug": "impg2",
        "symbol": "IMPG2",
        "hgnc": "HGNC:18362",
        "name": "interphotoreceptor matrix proteoglycan 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/impg2"
      },
      {
        "slug": "opa1",
        "symbol": "OPA1",
        "hgnc": "HGNC:8140",
        "name": "OPA1 mitochondrial dynamin like GTPase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/opa1"
      },
      {
        "slug": "ppib",
        "symbol": "PPIB",
        "hgnc": "HGNC:9255",
        "name": "peptidylprolyl isomerase B",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ppib"
      },
      {
        "slug": "otx2",
        "symbol": "OTX2",
        "hgnc": "HGNC:8522",
        "name": "orthodenticle homeobox 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/otx2"
      },
      {
        "slug": "rac1",
        "symbol": "RAC1",
        "hgnc": "HGNC:9801",
        "name": "Rac family small GTPase 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rac1"
      },
      {
        "slug": "lrp5",
        "symbol": "LRP5",
        "hgnc": "HGNC:6697",
        "name": "LDL receptor related protein 5",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lrp5"
      }
    ]
  }
}