{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Central+Visual+Impairment",
    "query": {
      "condition": "Central Visual Impairment"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 50,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Central+Visual+Impairment&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T20:34:27.926Z",
  "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": "NCT00494676",
      "title": "Clinical Trial of Peripheral Prism Glasses for Hemianopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Homonymous Hemianopia"
      ],
      "interventions": [
        {
          "name": "High power (57 prism diopter) peripheral prism glasses",
          "type": "DEVICE"
        },
        {
          "name": "Low power sham peripheral prism glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alexandra Bowers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2007-09",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • Jupiter, Florida + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Jupiter",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00494676"
    },
    {
      "nct_id": "NCT00921297",
      "title": "Cataract Removal and Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataracts",
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Immediate Cataract Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 122,
      "start_date": "2009-06",
      "completion_date": "2017-03-30",
      "has_results": false,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00921297"
    },
    {
      "nct_id": "NCT05454124",
      "title": "Factors in Learning And Plasticity: Macular Degeneration",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Visual Impairment",
        "Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Training visual sensitivity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combination training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-11-01",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05454124"
    },
    {
      "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": "2026-06-10T20:34:27.926Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06578117"
    },
    {
      "nct_id": "NCT01581411",
      "title": "Intra-arterial Thrombolysis for Severe Recent Central Retinal Vein Occlusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Central Retinal Vein Occlusion"
      ],
      "interventions": [
        {
          "name": "Tissue Plasminogen Activator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 1,
      "start_date": "2012-01",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2018-08-06",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01581411"
    },
    {
      "nct_id": "NCT00654251",
      "title": "Measuring Neurological Impairment and Functional Visual Assessment In Spinocerebellar Ataxias",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spinocerebellar Ataxia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Mississippi 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": 20,
      "start_date": "2008-02",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2009-04-29",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 2,
      "location_summary": "Jackson, Mississippi • Galveston, Texas",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00654251"
    },
    {
      "nct_id": "NCT01003639",
      "title": "Idiopathic Intracranial Hypertension Treatment Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Intracranial Hypertension"
      ],
      "interventions": [
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Formal weight loss counselling program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 165,
      "start_date": "2010-01",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01003639"
    },
    {
      "nct_id": "NCT02193113",
      "title": "A Phase I Single Ascending Dose Study of the Intravitreal Plasma Kallikrein Inhibitor KVD001 in Subjects With DME",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetic Macular Edema"
      ],
      "interventions": [
        {
          "name": "KVD001 Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "KalVista Pharmaceuticals, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2014-07-18",
      "completion_date": "2015-06-04",
      "has_results": false,
      "last_update_posted_date": "2017-03-03",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 5,
      "location_summary": "Beverly Hills, California • Indianapolis, Indiana • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "West Columbia",
          "state": "South Carolina"
        },
        {
          "city": "McAllen",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02193113"
    },
    {
      "nct_id": "NCT05850520",
      "title": "A Study to Learn How Well a Higher Amount of Aflibercept Given as an Injection Into the Eye Works and How Safe it is in People With Reduced Vision Due to Swelling in the Macula, Central Part of the Retina Caused by a Blocked Vein in the Retina (Macula Edema Secondary to Retinal Vein Occlusion)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Macular Edema Secondary to Retinal Vein Occlusion"
      ],
      "interventions": [
        {
          "name": "Aflibercept, VEGF Trap-Eye(Eylea, BAY86-5321)_higher dose",
          "type": "DRUG"
        },
        {
          "name": "Aflibercept, VEGF Trap-Eye(Eylea, BAY86-5321)_2 mg",
          "type": "DRUG"
        },
        {
          "name": "Sham",
          "type": "DRUG"
        },
        {
          "name": "Fluorescein",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 892,
      "start_date": "2023-05-15",
      "completion_date": "2025-05-27",
      "has_results": true,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 53,
      "location_summary": "Fullerton, California • Long Beach, California • Mountain View, California + 48 more",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05850520"
    },
    {
      "nct_id": "NCT01691027",
      "title": "Visuomotor Rehabilitation Training for Manual Task Deficits From Macular Scotomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Scotoma, Central",
        "Central Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Visuo-motor training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 4,
      "start_date": "2013-07",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-06-10T20:34:27.926Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691027"
    }
  ]
}