{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=34",
    "query": {
      "condition": "Visual Function",
      "page": 34
    },
    "page_size": 10
  },
  "pagination": {
    "page": 34,
    "page_size": 10,
    "total_count": 2374,
    "total_pages": 238,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=35&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Function&page=33&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T19:34:30.904Z",
  "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": "NCT04775654",
      "title": "The Effects of Blackcurrant Supplementation on Eye Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eye Strain",
        "Eye Fatigue"
      ],
      "interventions": [
        {
          "name": "Blackcurrant",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Nutraceuticals Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 60 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2021-03-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-24",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "Franklin, Tennessee",
      "locations": [
        {
          "city": "Franklin",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04775654"
    },
    {
      "nct_id": "NCT01143402",
      "title": "Temozolomide or Selumetinib in Treating Patients With Metastatic Melanoma of the Eye",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Iris Melanoma",
        "Medium/Large Size Posterior Uveal Melanoma",
        "Ocular Melanoma With Extraocular Extension",
        "Recurrent Uveal Melanoma",
        "Small Size Posterior Uveal Melanoma",
        "Stage IV Uveal Melanoma"
      ],
      "interventions": [
        {
          "name": "Dacarbazine",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Selumetinib",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2010-06",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-07-26",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 32,
      "location_summary": "Aurora, Colorado • Miami Beach, Florida • Tampa, Florida + 25 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01143402"
    },
    {
      "nct_id": "NCT04074954",
      "title": "A (Prospective/Pilot) Study Evaluating the Effect of Cataract Surgery on the Daily Activity Levels of Elderly Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract",
        "Diabetes",
        "Hypertension",
        "Obesity",
        "Vision Disability"
      ],
      "interventions": [
        {
          "name": "Cataract surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pikeville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-03-23",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074954"
    },
    {
      "nct_id": "NCT06237829",
      "title": "Testing Tactile Aids With Blind Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision, Low",
        "Blindness"
      ],
      "interventions": [
        {
          "name": "Single bump acuity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Optimal spacing between bumps",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Improving signal from a single bump with designer materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Delaware",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2021-09-01",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2024-03-13",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "Newark, Delaware",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06237829"
    },
    {
      "nct_id": "NCT02483429",
      "title": "Acute Video-oculography for Vertigo in Emergency Rooms for Rapid Triage (AVERT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vertigo",
        "Dizziness"
      ],
      "interventions": [
        {
          "name": "VRT Care",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2017-12-04",
      "completion_date": "2023-03-17",
      "has_results": true,
      "last_update_posted_date": "2025-12-26",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 5,
      "location_summary": "Peoria, Illinois • Baltimore, Maryland • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02483429"
    },
    {
      "nct_id": "NCT06693882",
      "title": "Electrical Stimulation of the Optic Nerve in Patients With Glaucoma.",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "EYETRONIC Nextwave System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Glaucoma Center of San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-01-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06693882"
    },
    {
      "nct_id": "NCT02310880",
      "title": "Efficacy of Enhancing Low Vision Mobility Thru Visual Training in Virtual World",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Low Vision"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "81 Years",
        "sex": "ALL",
        "summary": "19 Years to 81 Years"
      },
      "enrollment_count": 35,
      "start_date": "2010-09",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02310880"
    },
    {
      "nct_id": "NCT03615196",
      "title": "Study of the Safety of USB005 in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "USB005 (aclerastide) Ophthalmic Solution",
          "type": "DRUG"
        },
        {
          "name": "USB005 Ophthalmic Solution Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Biotest, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 32,
      "start_date": "2018-07-25",
      "completion_date": "2019-04-02",
      "has_results": false,
      "last_update_posted_date": "2019-04-04",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03615196"
    },
    {
      "nct_id": "NCT00306488",
      "title": "OT-551 Antioxidant Eye Drops to Treat Geographic Atrophy in Age-Related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Geographic Atrophy",
        "Age-Related Macular Degeneration",
        "AMD"
      ],
      "interventions": [
        {
          "name": "OT-551 antioxidant eye drop",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2006-03",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2020-07-14",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00306488"
    },
    {
      "nct_id": "NCT05119127",
      "title": "Rotational Stability of Acrysof IQ Vivity Extended Vision Toric IOL and Refractive Visual Outcome.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "Alcon Vivity toric intra ocular lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kevin Barber",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2020-09-30",
      "completion_date": "2021-08-19",
      "has_results": false,
      "last_update_posted_date": "2021-11-12",
      "last_synced_at": "2026-10-22T19:34:30.904Z",
      "location_count": 1,
      "location_summary": "DeLand, Florida",
      "locations": [
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05119127"
    }
  ]
}