{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=19",
    "query": {
      "intervention": "Visual Function Tests",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 670,
    "total_pages": 67,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T03:23:29.707Z",
  "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": "NCT03757039",
      "title": "Multifocal Visual Performance Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Multifocal soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Progressive addition lens spectacles",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "38 Years",
        "maximum_age": "58 Years",
        "sex": "ALL",
        "summary": "38 Years to 58 Years"
      },
      "enrollment_count": 42,
      "start_date": "2018-12-16",
      "completion_date": "2019-03-06",
      "has_results": true,
      "last_update_posted_date": "2020-03-25",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03757039"
    },
    {
      "nct_id": "NCT00351611",
      "title": "Vision Testing in Patients With Partial Seizures Receiving Either Lyrica or Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Epilepsies, Partial"
      ],
      "interventions": [
        {
          "name": "Lyrica (pregabalin)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 187,
      "start_date": "2006-07-26",
      "completion_date": "2020-02-04",
      "has_results": true,
      "last_update_posted_date": "2021-04-13",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 103,
      "location_summary": "Mobile, Alabama • Northport, Alabama • Tuscaloosa, Alabama + 57 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Northport",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00351611"
    },
    {
      "nct_id": "NCT07715344",
      "title": "Reducing Health Disparity of Physical Functioning Among Young Adult Cancer Patients of Color",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Symptom Management",
        "Young Adult Cancer",
        "Physical Activity",
        "Gaming",
        "Behavior Change Interventions"
      ],
      "interventions": [
        {
          "name": "PAfitME™",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 89,
      "start_date": "2023-11-20",
      "completion_date": "2026-05-14",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07715344"
    },
    {
      "nct_id": "NCT05886400",
      "title": "The Effects of Environmental Distractions on SCAT6 Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Brain",
        "Mild Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "SCAT6",
          "type": "OTHER"
        },
        {
          "name": "Visual/ Auditory Distraction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 48,
      "start_date": "2023-09-01",
      "completion_date": "2024-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-24",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886400"
    },
    {
      "nct_id": "NCT05847192",
      "title": "Tau Networks in Psychotic Alzheimer's Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Alzheimer Disease With Delusions",
        "Alzheimer Disease With Psychosis"
      ],
      "interventions": [
        {
          "name": "[18F]-PI2620 PET scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 91,
      "start_date": "2023-04-13",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05847192"
    },
    {
      "nct_id": "NCT01177592",
      "title": "Thrombocyte Activity Reassessment and GEnoTyping for PCI(TARGET-PCI)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "VerifyNow, Verigene",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LifeBridge Health",
      "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": 7,
      "start_date": "2010-07",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2014-03-19",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01177592"
    },
    {
      "nct_id": "NCT00128401",
      "title": "Use of an Antibiotic as an Enhancer for the Treatment of Social Phobia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Phobic Disorders",
        "Anxiety",
        "Social Phobia"
      ],
      "interventions": [
        {
          "name": "D-Cycloserine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "8 Years to 55 Years"
      },
      "enrollment_count": 48,
      "start_date": "2005-08",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00128401"
    },
    {
      "nct_id": "NCT05547165",
      "title": "Percutaneous Intervention Versus Observational Trial of Arterial Ductus in Low Weight Infants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ductus Arteriosus, Patent"
      ],
      "interventions": [
        {
          "name": "Percutaneous Patent Ductus Arteriosus Closure (PPC)",
          "type": "DEVICE"
        },
        {
          "name": "Responsive Management Intervention",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Echocardiogram, cardiac",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "COMBINATION_PRODUCT",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Days",
        "maximum_age": "32 Days",
        "sex": "ALL",
        "summary": "7 Days to 32 Days"
      },
      "enrollment_count": 240,
      "start_date": "2023-02-21",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05547165"
    },
    {
      "nct_id": "NCT02764983",
      "title": "Occupational Therapy Driving Intervention for Returning Combat Veterans.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury (TBI)",
        "Post Traumatic Stress Disorder (PTSD)"
      ],
      "interventions": [
        {
          "name": "Driving Behavior Interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitness-to-Drive Screening Measure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clinical Driving Assessment",
          "type": "OTHER"
        },
        {
          "name": "Propensity for Angry Driving Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Community Integration Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Satisfaction with Life Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Driving simulator evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Focus Group Discussion Interview Guide",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "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": 66,
      "start_date": "2013-01",
      "completion_date": "2018-11",
      "has_results": false,
      "last_update_posted_date": "2018-12-17",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02764983"
    },
    {
      "nct_id": "NCT07431931",
      "title": "Optimizing Referral Pathways for Patients With Hematuria and Moderate-Severe Proteinuria",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Referral and Consultation",
        "Glomerulonephritis",
        "Hematuria",
        "Proteinuria",
        "Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Electronic Health Record alert",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1200,
      "start_date": "2026-11",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-29T03:23:29.707Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07431931"
    }
  ]
}