{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=84",
    "query": {
      "condition": "Visual Function",
      "page": 84
    },
    "page_size": 10
  },
  "pagination": {
    "page": 84,
    "page_size": 10,
    "total_count": 2377,
    "total_pages": 238,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=85&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=83&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T11:26:14.375Z",
  "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": "NCT02575430",
      "title": "Natural History Study in Inherited Retinal Disease Subjects Caused by Mutations in RPE65 or LRAT",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leber Congenital Amaurosis (LCA)",
        "Retinitis Pigmentosa (RP)"
      ],
      "interventions": [
        {
          "name": "No treatment: retrospective chart review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "QLT Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2015-12",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-29",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Portland, Oregon",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02575430"
    },
    {
      "nct_id": "NCT00277498",
      "title": "A 12-week, Randomized, Double-masked, Parallel Group Comparison of Evening Dosing With Xalacom in Subjects With Glaucoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Open Angle Glaucoma",
        "Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "Xalacom",
          "type": "DRUG"
        },
        {
          "name": "Xalatan",
          "type": "DRUG"
        },
        {
          "name": "Timolol",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 528,
      "start_date": "2005-12",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2021-02-18",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 64,
      "location_summary": "Birmingham, Alabama • Flagstaff, Arizona • Artesia, California + 52 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Flagstaff",
          "state": "Arizona"
        },
        {
          "city": "Artesia",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00277498"
    },
    {
      "nct_id": "NCT06689943",
      "title": "Pain After Strabismus Surgery",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Strabismus"
      ],
      "interventions": [
        {
          "name": "Tylenol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "4 Years to 12 Years"
      },
      "enrollment_count": 80,
      "start_date": "2026-10-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06689943"
    },
    {
      "nct_id": "NCT04820218",
      "title": "At-home Testing Refraction Results With Best Corrected Visual Acuity (BCVA) Outcomes in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Impairment",
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "With Try-on glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EyeQue Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2021-04-21",
      "completion_date": "2023-01-20",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 1,
      "location_summary": "Newark, California",
      "locations": [
        {
          "city": "Newark",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04820218"
    },
    {
      "nct_id": "NCT06587113",
      "title": "An Investigation of Attentional and Inhibitory Processes During Active Visual Search in Humans",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eye Movements",
        "Attention",
        "Executive Function"
      ],
      "interventions": [
        {
          "name": "Contour Search Task",
          "type": "OTHER"
        },
        {
          "name": "Stop signal Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Useful field of View",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attentional capture search task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 225,
      "start_date": "2024-09-15",
      "completion_date": "2026-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06587113"
    },
    {
      "nct_id": "NCT00760240",
      "title": "Ability of Patients With Low Vision to Properly Instill Eye Drops",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glaucoma",
        "Retinal Pathology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mid-Atlantic Glaucoma Experts",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2008-09",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-04-26",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00760240"
    },
    {
      "nct_id": "NCT00812708",
      "title": "Clinical Evaluation of Morcher Artificial Iris Diaphragms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aniridia",
        "Iris; Deformity"
      ],
      "interventions": [
        {
          "name": "Morcher iris diaphragm implantation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2003-04-09",
      "completion_date": "2021-12-07",
      "has_results": true,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00812708"
    },
    {
      "nct_id": "NCT07488208",
      "title": "Comparison of Two Contact Lens Designs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Computer Vision Syndrome",
        "Accommodation"
      ],
      "interventions": [
        {
          "name": "Stenfilcon A contact lens designs with and without Digital Boost technology that incorporate a 0.3D add power into the lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Southern College of Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-05-22",
      "completion_date": "2025-09-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07488208"
    },
    {
      "nct_id": "NCT01247597",
      "title": "DICER1-related Pleuropulmonary Blastoma Cancer Predisposition Syndrome: A Natural History Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pleuropulmonary Blastoma",
        "Cystic Nephroma",
        "Ovarian Sertoli-Leydig Cell Tumors",
        "Ocular Medulloepithelioma",
        "Nasal Chondromesenchymal Hamartoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "1 Month to 99 Years"
      },
      "enrollment_count": 1500,
      "start_date": "2011-02-13",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Rockville, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01247597"
    },
    {
      "nct_id": "NCT02001155",
      "title": "Comparing the Effect of the Water Drinking Test on Intraocular Pressure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Water Drinking Test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 40,
      "start_date": "2013-07",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2016-11-10",
      "last_synced_at": "2026-10-24T11:26:14.375Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02001155"
    }
  ]
}