{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=10",
    "query": {
      "intervention": "Visual Function Tests",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 669,
    "total_pages": 67,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T21:19:21.832Z",
  "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": "NCT03400293",
      "title": "Real-world Insights of People With Human Immunodeficiency Virus (HIV) Infection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Functional Assessment of HIV Infection",
          "type": "OTHER"
        },
        {
          "name": "Patient Satisfaction Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Symptom Distress Module",
          "type": "OTHER"
        },
        {
          "name": "Patient Health Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Internalized Stigma of AIDS Tool",
          "type": "OTHER"
        },
        {
          "name": "Medication adherence visual analogue scale",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1184,
      "start_date": "2018-01-18",
      "completion_date": "2018-07-07",
      "has_results": false,
      "last_update_posted_date": "2019-03-11",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "Arlington, Virginia",
      "locations": [
        {
          "city": "Arlington",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03400293"
    },
    {
      "nct_id": "NCT04285398",
      "title": "Prospective Natural History Study of Retinitis Pigmentosa",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Ophthalmic examinations",
          "type": "OTHER"
        },
        {
          "name": "Mobility Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SparingVision",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 82,
      "start_date": "2020-02-12",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04285398"
    },
    {
      "nct_id": "NCT04563728",
      "title": "Use Surveillance Technology to Reduce Elder Abuse Recidivism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elder Abuse",
        "Self Neglect",
        "Aging",
        "Domestic Abuse"
      ],
      "interventions": [
        {
          "name": "Surveillance camera(s)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2020-05-01",
      "completion_date": "2022-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-15",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04563728"
    },
    {
      "nct_id": "NCT06034327",
      "title": "Efficacy in Controlling Myopia in Young Children Using a Novel Spectacle Lens",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Juvenile Myopia",
        "Myopia Progression"
      ],
      "interventions": [
        {
          "name": "Single vision, impact-resistant spectacle lenses; Test Arm",
          "type": "DEVICE"
        },
        {
          "name": "Single vision, impact-resistant spectacle lenses; Control Arm",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SightGlass Vision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "6 Years to 8 Years"
      },
      "enrollment_count": 150,
      "start_date": "2023-09-18",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-29",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 14,
      "location_summary": "Oakland, California • San Diego, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06034327"
    },
    {
      "nct_id": "NCT07245303",
      "title": "Neural Mechanisms of Light Driven Analgesia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Musculoskeletal Pain",
        "Fibromyalgia",
        "Healthy Controls Group - Age and Sex-matched"
      ],
      "interventions": [
        {
          "name": "S-cone modulating visual stimulus",
          "type": "OTHER"
        },
        {
          "name": "Equal Energy White Visual Stimulus",
          "type": "OTHER"
        },
        {
          "name": "Green light visual stimulus (S-OFF)",
          "type": "OTHER"
        },
        {
          "name": "Evoked Pressure Pain Stimulus",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-02-24",
      "completion_date": "2030-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07245303"
    },
    {
      "nct_id": "NCT01423773",
      "title": "Ocular Comfort and OCT Observation of Post Lens Clearance and Ocular Tissue Compression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ocular Comfort"
      ],
      "interventions": [
        {
          "name": "Lotrafilcon A test contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon A control contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Ultra-High Resolution Optical Coherence Tomographer (OCT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CIBA VISION",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2011-08",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2013-06-28",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01423773"
    },
    {
      "nct_id": "NCT01325051",
      "title": "Study to Characterize the Pharmacokinetics of Raltegravir in the Gastrointestinal (GI) Tract of Healthy Male Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Raltegravir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Angela Kashuba, PharmD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "MALE",
        "summary": "18 Years to 49 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2011-04",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2012-01-05",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01325051"
    },
    {
      "nct_id": "NCT03972683",
      "title": "Role of Acetylcholine in Blood Flow Regulation in Healthy Adults: Effects of Age and Exercise Training",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vasoconstriction",
        "Vasodilation"
      ],
      "interventions": [
        {
          "name": "Handgrip Exercise Training",
          "type": "OTHER"
        },
        {
          "name": "Acetylcholine",
          "type": "DRUG"
        },
        {
          "name": "Adenosine Triphosphate",
          "type": "DRUG"
        },
        {
          "name": "Atropine",
          "type": "DRUG"
        },
        {
          "name": "Phenylephrine",
          "type": "DRUG"
        },
        {
          "name": "Sodium Nitroprusside",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-04-16",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-08-02",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03972683"
    },
    {
      "nct_id": "NCT01146002",
      "title": "Language-based Learning Skills and Attention Deficit Hyperactivity Disorder (ADHD): Impact of Treatment With Sustained-release Guanfacine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention-deficit/Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Guanfacine (sustained release)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurology Group of Bergen County, P.A.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 30,
      "start_date": "2010-06",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2014-04-02",
      "last_synced_at": "2026-10-25T21:19:21.832Z",
      "location_count": 1,
      "location_summary": "Ridgewood, New Jersey",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01146002"
    },
    {
      "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": "2026-10-25T21:19:21.832Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02764983"
    }
  ]
}