{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders&page=23",
    "query": {
      "condition": "Visual Disorders",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 989,
    "total_pages": 99,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T10:36:56.102Z",
  "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": "NCT00001926",
      "title": "The Connection Between Areas in the Brain of Blind Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Blindness",
        "Brain Mapping",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "O15",
          "type": "DRUG"
        },
        {
          "name": "Cadwell rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 45,
      "start_date": "1999-04",
      "completion_date": "2003-11",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001926"
    },
    {
      "nct_id": "NCT00585026",
      "title": "Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Refractive Error",
        "Presbyopia",
        "Asthenopia",
        "Eyeglasses"
      ],
      "interventions": [
        {
          "name": "D-28 bifocal lenses and frame",
          "type": "DEVICE"
        },
        {
          "name": "Progressive addition computer lenses and frame",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2006-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2011-06-15",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00585026"
    },
    {
      "nct_id": "NCT00333762",
      "title": "Use of \"Smart Wheelchairs\" to Provide Independent Mobility to Visual and Mobility Impairments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness",
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Smart Power Assistance Module (SPAM)",
          "type": "DEVICE"
        },
        {
          "name": "Smart Wheelchair Component System (SWCS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2006-06",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 2,
      "location_summary": "Decatur, Georgia • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333762"
    },
    {
      "nct_id": "NCT04858022",
      "title": "Visual Acoustic Biofeedback for RSE Via Telepractice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Speech Sound Disorder"
      ],
      "interventions": [
        {
          "name": "Visual-Acoustic Biofeedback Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Montclair State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "9 Years to 15 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-01-15",
      "completion_date": "2024-04-15",
      "has_results": true,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Upper Montclair, New Jersey",
      "locations": [
        {
          "city": "Upper Montclair",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04858022"
    },
    {
      "nct_id": "NCT04959422",
      "title": "Assuring Ophthalmologic Follow up",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision Screening",
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Active scheduling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "2 Years to 6 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-09-01",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-07-14",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04959422"
    },
    {
      "nct_id": "NCT00333281",
      "title": "A Study of Visual Effects of Erectile Dysfunction Medications Dosed Daily for Six Months",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Erectile Dysfunction"
      ],
      "interventions": [
        {
          "name": "tadalafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "30 Years to 65 Years · Male only"
      },
      "enrollment_count": 198,
      "start_date": "2005-06",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2007-10-25",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333281"
    },
    {
      "nct_id": "NCT00746863",
      "title": "Randomized Control Trial to Assess Postoperative Pain After Sling Placement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "0.125% Marcaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2007-01",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2010-06-22",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00746863"
    },
    {
      "nct_id": "NCT04424979",
      "title": "Feasibility Tests for Various Prism Configurations for Visual Field Loss",
      "overall_status": "COMPLETED",
      "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": 10,
      "start_date": "2020-11-06",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04424979"
    },
    {
      "nct_id": "NCT07882290",
      "title": "Study With Batten-1 (Miglustat Liquid Formulation) to Treat Ceroid Lipofuscinosis Neuronal 3 (CLN3) Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "CLN3"
      ],
      "interventions": [
        {
          "name": "Miglustat oral liquid formulation (250 mg/mL)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beyond Batten Disease Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 27,
      "start_date": "2026-12",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Baltimore, Maryland • Houston, Texas",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07882290"
    },
    {
      "nct_id": "NCT00001917",
      "title": "Brain Imaging in Elderly People and Individuals With Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "O15",
          "type": "DRUG"
        },
        {
          "name": "[F-18] FP-TZTP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "1999-04",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-24T10:36:56.102Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001917"
    }
  ]
}