{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=4",
    "query": {
      "intervention": "Visual Function Tests",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 669,
    "total_pages": 67,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T17:08:48.883Z",
  "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": "NCT01176045",
      "title": "TearLab Refractive Surgery Dry Eye Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dry Eye Syndromes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "TearLab Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 128,
      "start_date": "2010-06",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2016-02-04",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 8,
      "location_summary": "Fairfield, Connecticut • Westchester, Illinois • Oklahoma City, Oklahoma + 5 more",
      "locations": [
        {
          "city": "Fairfield",
          "state": "Connecticut"
        },
        {
          "city": "Westchester",
          "state": "Illinois"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        },
        {
          "city": "King of Prussia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01176045"
    },
    {
      "nct_id": "NCT02409277",
      "title": "Redesigning Ambulatory Care Delivery to Enhance Asthma Control in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Experimental: Standard vs Intensive e-AT Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 926,
      "start_date": "2013-08",
      "completion_date": "2016-12-31",
      "has_results": true,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02409277"
    },
    {
      "nct_id": "NCT04563637",
      "title": "A Comparison of Computer Vision Based Approach vs. Dual Energy X-ray Absorptiometry Scan to Measure Body Fat Percentage",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Computer based vision application by video",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "whole body dual energy x-ray absorptiometry scan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "RADIATION"
      ],
      "sponsor": "Centennial Medical Group",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 492,
      "start_date": "2020-04-23",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 1,
      "location_summary": "Elkridge, Maryland",
      "locations": [
        {
          "city": "Elkridge",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04563637"
    },
    {
      "nct_id": "NCT02178553",
      "title": "Study of Exparel Versus Epidural for Pain Control After Thoracotomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain Following Thoracotomy Surgery"
      ],
      "interventions": [
        {
          "name": "Epidural",
          "type": "DRUG"
        },
        {
          "name": "Intercostal Bupivicaine (Exparel)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2014-10-15",
      "completion_date": "2019-01-25",
      "has_results": true,
      "last_update_posted_date": "2020-01-09",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02178553"
    },
    {
      "nct_id": "NCT01822769",
      "title": "Cardiopulmonary Rehabilitation for Adolescents and Adults With Congenital Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease",
        "Heart Defects, Congenital"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary rehabilitation",
          "type": "OTHER"
        },
        {
          "name": "Standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2013-04",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-01-25",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01822769"
    },
    {
      "nct_id": "NCT02657135",
      "title": "Targeted Evaluation, Action, & Monitoring of Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury (TBI)"
      ],
      "interventions": [
        {
          "name": "Cognitive/Neuropsychological Testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vestibular/Ocular-Motor Testing",
          "type": "OTHER"
        },
        {
          "name": "Cervical (Neck) Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Sleep Evaluation",
          "type": "OTHER"
        },
        {
          "name": "HDFT MRI",
          "type": "OTHER"
        },
        {
          "name": "MR Spectroscopy (MRS)",
          "type": "OTHER"
        },
        {
          "name": "MEG (Magnetoencephalography)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 95,
      "start_date": "2014-03-24",
      "completion_date": "2018-03-23",
      "has_results": false,
      "last_update_posted_date": "2018-07-23",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02657135"
    },
    {
      "nct_id": "NCT03126916",
      "title": "Testing the Addition of 131I-MIBG or Lorlatinib to Intensive Therapy in People With High-Risk Neuroblastoma (NBL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ganglioneuroblastoma",
        "Ganglioneuroblastoma, Nodular",
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Autologous Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Dexrazoxane Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Dinutuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Etoposide Phosphate",
          "type": "DRUG"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Iobenguane I-123",
          "type": "RADIATION"
        },
        {
          "name": "Iobenguane I-131",
          "type": "RADIATION"
        },
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        },
        {
          "name": "Lorlatinib",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Melphalan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "365 Days",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "365 Days to 30 Years"
      },
      "enrollment_count": 750,
      "start_date": "2018-05-14",
      "completion_date": "2030-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 152,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 121 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03126916"
    },
    {
      "nct_id": "NCT04313114",
      "title": "The PRIME-CRC Trial to Promote CRC Screening in Rural Communities",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "health literacy appropriate education and demonstration",
          "type": "BEHAVIORAL"
        },
        {
          "name": "shared decision making",
          "type": "BEHAVIORAL"
        },
        {
          "name": "automated call reminders or automated texts",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Louisiana State University Health Sciences Center Shreveport",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 804,
      "start_date": "2021-09-20",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 3,
      "location_summary": "Bastrop, Louisiana • Marion, Louisiana • Saint Joseph, Louisiana",
      "locations": [
        {
          "city": "Bastrop",
          "state": "Louisiana"
        },
        {
          "city": "Marion",
          "state": "Louisiana"
        },
        {
          "city": "Saint Joseph",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04313114"
    },
    {
      "nct_id": "NCT07391904",
      "title": "Patient-centered Precision Medicine Lab Result Communication for Older Adults",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Kidney Disease (CKD)",
        "Health Communication",
        "Patient Comprehension"
      ],
      "interventions": [
        {
          "name": "Chronic Kidney Disease (CKD) Lab Result Communication Tool",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 255,
      "start_date": "2026-04-21",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07391904"
    },
    {
      "nct_id": "NCT05226884",
      "title": "Intermediate Vision in Patients With Clareon IOLs Compared to Eyhance IOLs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pseudophakia"
      ],
      "interventions": [
        {
          "name": "Visual Acuity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Defocus Curve",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Berkeley Eye Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 310,
      "start_date": "2021-11-30",
      "completion_date": "2022-08-06",
      "has_results": true,
      "last_update_posted_date": "2024-11-15",
      "last_synced_at": "2026-10-24T17:08:48.883Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05226884"
    }
  ]
}