{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Field+Defect%2C+Peripheral",
    "query": {
      "condition": "Visual Field Defect, Peripheral"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Field+Defect%2C+Peripheral&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:01:43.461Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03057496",
      "title": "Collision Warning Device for Blind and Visually Impaired",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemianopia",
        "Hemianopsia",
        "Peripheral Visual Field Defect",
        "Blindness",
        "Retinitis Pigmentosa",
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Collision warning device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2018-01-22",
      "completion_date": "2019-12-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-10",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03057496"
    },
    {
      "nct_id": "NCT06047717",
      "title": "Vision Loss Impact on Navigation in Virtual Reality",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke, Ischemic",
        "Quadrantanopia",
        "Hemianopsia, Homonymous",
        "Hemianopia, Homonymous",
        "Hemianopia",
        "Hemianopsia",
        "Occipital Lobe Infarct",
        "Visual Field Defect, Peripheral",
        "Vision Loss Partial",
        "Quadrantanopsia",
        "Stroke Hemorrhagic"
      ],
      "interventions": [
        {
          "name": "Virtual Reality Driving Task",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-11-28",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06047717"
    },
    {
      "nct_id": "NCT05150197",
      "title": "Virtual Reality Visual Field Testing as an Alternative in Childhood Eye Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Field Defect, Peripheral"
      ],
      "interventions": [
        {
          "name": "VisuALL",
          "type": "DEVICE"
        },
        {
          "name": "Humphrey Visual Field",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2022-01-19",
      "completion_date": "2026-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-28",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05150197"
    },
    {
      "nct_id": "NCT04798924",
      "title": "Visual Rehabilitation After Occipital Stroke",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke, Ischemic",
        "Quadrantanopia",
        "Vision Loss Partial",
        "Visual Field Defect, Peripheral",
        "Peripheral Visual Field Defect of Both Eyes",
        "Peripheral Visual Field Defect",
        "Hemianopsia",
        "Hemianopia",
        "Homonymous Hemianopia",
        "Homonymous Hemianopsia",
        "Visual Fields Hemianopsia",
        "Occipital Lobe Infarct",
        "Quadrantanopsia",
        "Stroke Hemorrhagic"
      ],
      "interventions": [
        {
          "name": "Subacute Training in the intact field",
          "type": "DEVICE"
        },
        {
          "name": "Subacute Training in the blind field",
          "type": "DEVICE"
        },
        {
          "name": "Chronic Training in the blind field",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-07-19",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04798924"
    },
    {
      "nct_id": "NCT04424979",
      "title": "Feasibility Tests for Various Prism Configurations for Visual Field Loss",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemianopia, Homonymous",
        "Tunnel Vision",
        "Visual Field Defect, Peripheral",
        "Visual Field Constriction Bilateral",
        "Visual Field Defect Homonymous Bilateral"
      ],
      "interventions": [
        {
          "name": "High power prisms",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "7 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2020-11-06",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04424979"
    },
    {
      "nct_id": "NCT06578117",
      "title": "Statistical Learning as a Novel Intervention for Cortical Blindness",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke, Ischemic",
        "Hemianopia, Homonymous",
        "Hemianopsia",
        "Occipital Lobe Infarct",
        "Visual Field Defect, Peripheral",
        "Vision Loss Partial",
        "Quadrantanopia",
        "Stroke Hemorrhagic"
      ],
      "interventions": [
        {
          "name": "Vision Training and Learning Task",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-11-06",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06578117"
    },
    {
      "nct_id": "NCT04786886",
      "title": "Patient Performance and Acceptance of Virtual Reality Visual Field Devices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Field Defect, Peripheral",
        "Visual Field Defect, Nasal Step",
        "Visual Field Defect, Paracentral Scotoma of Both Eyes"
      ],
      "interventions": [
        {
          "name": "VIrtual Reality Visual Field Exam",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2019-11-04",
      "completion_date": "2021-02-02",
      "has_results": false,
      "last_update_posted_date": "2021-03-08",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04786886"
    },
    {
      "nct_id": "NCT05085210",
      "title": "Improving Visual Field Deficits With Noninvasive Brain Stimulation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Field Defect, Peripheral",
        "Stroke",
        "Visual Impairment",
        "Hemianopsia",
        "Quadrantanopia",
        "Cortical Blindness",
        "Visual Field Defect Homonymous Bilateral",
        "Occipital Lobe Infarct",
        "Visual Fields Hemianopsia"
      ],
      "interventions": [
        {
          "name": "transcranial random noise stimulation (tRNS)",
          "type": "DEVICE"
        },
        {
          "name": "Computer Based Visual Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Virtual Reality Based Visual Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 24,
      "start_date": "2022-01-25",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05085210"
    },
    {
      "nct_id": "NCT03797469",
      "title": "Nutritional Supplements and Performance During Visual Field Testing (B3 Vitamin)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Field Defect, Peripheral",
        "Glaucoma, Open-Angle"
      ],
      "interventions": [
        {
          "name": "Vitamin B3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Pyruvate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 32,
      "start_date": "2019-04-15",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-11-11",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03797469"
    },
    {
      "nct_id": "NCT04175444",
      "title": "Establishing a Normative Database in Pediatric Population of the Head-mounted visuALL Field Analyzer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Visual Field Defect, Peripheral"
      ],
      "interventions": [
        {
          "name": "VisuALL Field Analyzer",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Humphrey Field Analyzer",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2020-06-15",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-29",
      "last_synced_at": "2026-05-22T05:01:43.461Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04175444"
    }
  ]
}