{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Field&page=4",
    "query": {
      "condition": "Visual Field",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 77,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Field&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Field&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T09:34:56.663Z",
  "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": "NCT04930822",
      "title": "Evaluation of Bioness Integrated Therapy System (BITS) Touch Screen Technology to Improve Field Awareness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Neurologic Disorder",
        "Traumatic Brain Injury",
        "Acquired Brain Injury"
      ],
      "interventions": [
        {
          "name": "Table Top Visual Intervention",
          "type": "OTHER"
        },
        {
          "name": "Bioness Integrated Therapy System Visual Intervention",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Gaylord Hospital, Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2021-01-08",
      "completion_date": "2024-09-23",
      "has_results": true,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Wallingford, Connecticut",
      "locations": [
        {
          "city": "Wallingford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04930822"
    },
    {
      "nct_id": "NCT06024668",
      "title": "Simulated Walking With Multiplexing Prism for Field Expansion in Monocular Vision",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "One Eye Blindness",
        "Blind Left Eye",
        "Blind Right Eye"
      ],
      "interventions": [
        {
          "name": "Multiplexing Prism",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2024-08-04",
      "completion_date": "2025-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06024668"
    },
    {
      "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": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05085210"
    },
    {
      "nct_id": "NCT03964831",
      "title": "Study Comparing the P200TxE and P200DTx",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinal Disease"
      ],
      "interventions": [
        {
          "name": "P200TxE",
          "type": "DEVICE"
        },
        {
          "name": "P200DTx",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Optos, PLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2019-06-18",
      "completion_date": "2020-01-14",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03964831"
    },
    {
      "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": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04175444"
    },
    {
      "nct_id": "NCT06578117",
      "title": "Statistical Learning as a Novel Intervention for Cortical Blindness",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "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": "2026-10-20",
      "last_synced_at": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06578117"
    },
    {
      "nct_id": "NCT02737930",
      "title": "Fluoxetine for Visual Recovery After Ischemic Stroke",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Stroke",
        "Visual Field Loss"
      ],
      "interventions": [
        {
          "name": "Fluoxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bogachan Sahin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 17,
      "start_date": "2016-05",
      "completion_date": "2020-08",
      "has_results": true,
      "last_update_posted_date": "2021-10-13",
      "last_synced_at": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02737930"
    },
    {
      "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": "2026-10-21T09:34:56.663Z",
      "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": "NCT04607369",
      "title": "Implementation of the NEDS EyeCTester App",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Optic Nerve Disease",
        "Macular Disease",
        "Visual Pathway Disorder"
      ],
      "interventions": [
        {
          "name": "EyeCTester",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Neuro-Eye Diagnostic Systems, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2019-01-09",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Bellaire, Texas",
      "locations": [
        {
          "city": "Bellaire",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04607369"
    },
    {
      "nct_id": "NCT07502664",
      "title": "Development and Evaluation of Functional Visual Field and Navigation Endpoints in Moderate to Profound Inherited Retinal Disease (DEFINE-IRD)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa",
        "Stargardt Macular Dystrophy",
        "Stargardt Disease",
        "Geographic Atrophy From Age-related Macular Degeneration",
        "X-linked Retinoschisis",
        "Retinal Dystrophies"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ray Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2026-02-19",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-21T09:34:56.663Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07502664"
    }
  ]
}