{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=19",
    "query": {
      "intervention": "Visual Assessment",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 1001,
    "total_pages": 101,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T08:53:44.089Z",
  "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": "NCT03845881",
      "title": "Trial Comparing a Multi-Modal Pain Protocol With and Without Opioids Following Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "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": 45,
      "start_date": "2019-04-10",
      "completion_date": "2020-07-28",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03845881"
    },
    {
      "nct_id": "NCT02017041",
      "title": "Using mHealth to Aid Opioid Medication Adherence Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "Medsignals",
          "type": "DEVICE"
        },
        {
          "name": "smartphone app",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Care Team Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2014-01",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2015-02-03",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02017041"
    },
    {
      "nct_id": "NCT05739656",
      "title": "Evaluation of Visual Acuity of the Envista One-piece Acrylic Toric IOL MX60ET",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "CATARACT SURGERY",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Bausch & Lomb Incorporated",
      "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": "2020-08-01",
      "completion_date": "2022-07-06",
      "has_results": false,
      "last_update_posted_date": "2023-02-22",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05739656"
    },
    {
      "nct_id": "NCT01234207",
      "title": "Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Standard, non-free-form, non-customized PAL spectacles",
          "type": "DEVICE"
        },
        {
          "name": "Individually customized free-form surfaced PAL spectacles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "39 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "39 Years to 80 Years"
      },
      "enrollment_count": 95,
      "start_date": "2009-02",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2017-04-18",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01234207"
    },
    {
      "nct_id": "NCT05675371",
      "title": "Treatment Monitoring in Autism Spectrum Disorder (ASD) in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorder",
        "Autism",
        "Developmental Delay",
        "Autism, Early Infantile",
        "Autism, Infantile"
      ],
      "interventions": [
        {
          "name": "Assessment by Expert Clinician During Behavioral Intervention (ABA or similar)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Assessment by the EarliPoint Assessment For Autism Spectrum Disorder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "EarliTec Diagnostics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Months",
        "maximum_age": "84 Months",
        "sex": "ALL",
        "summary": "15 Months to 84 Months"
      },
      "enrollment_count": 325,
      "start_date": "2023-03-31",
      "completion_date": "2025-09-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • Glendale, California • San Rafael, California + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "San Rafael",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Westlake Village",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05675371"
    },
    {
      "nct_id": "NCT02420132",
      "title": "Study to Evaluate Home Vision Testing in Participants Who Receive Ranibizumab (Lucentis®)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Macular Edema",
        "Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Ranibizumab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2015-04-20",
      "completion_date": "2016-08-25",
      "has_results": false,
      "last_update_posted_date": "2019-06-10",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02420132"
    },
    {
      "nct_id": "NCT05996198",
      "title": "Exoskeletal Support in Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Oculus Rift headset",
          "type": "DEVICE"
        },
        {
          "name": "Exoskeleton Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2024-01-03",
      "completion_date": "2024-04-29",
      "has_results": true,
      "last_update_posted_date": "2025-04-01",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05996198"
    },
    {
      "nct_id": "NCT03808675",
      "title": "Aerobic Exercise in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Aerobic walking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual care with PD specific health education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2019-07-01",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03808675"
    },
    {
      "nct_id": "NCT03632616",
      "title": "Quality of Life Assessment of Chronic Pancreatitis Endoscopic Interventions",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pancreatitis"
      ],
      "interventions": [
        {
          "name": "PANQOLI (quality of life instrument)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2017-07-01",
      "completion_date": "2026-08-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Baltimore, Maryland",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03632616"
    },
    {
      "nct_id": "NCT03857503",
      "title": "Radiographic Imaging Validation and EvALuation for Angio iFR (ReVEAL iFR)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Ischemia",
        "Coronary Artery Disease",
        "Coronary Stenosis"
      ],
      "interventions": [
        {
          "name": "iFR",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Volcano Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 441,
      "start_date": "2019-08-01",
      "completion_date": "2021-03-12",
      "has_results": false,
      "last_update_posted_date": "2021-04-01",
      "last_synced_at": "2026-10-30T08:53:44.089Z",
      "location_count": 19,
      "location_summary": "Long Beach, California • Lakewood, Colorado • New Haven, Connecticut + 15 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03857503"
    }
  ]
}