{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders",
    "query": {
      "condition": "Visual Disorders"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 979,
    "total_pages": 98,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T10:35:23.006Z",
  "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": "NCT00001347",
      "title": "Study of Usher Syndromes, Type 1 and Type 2",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "1993-06",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001347"
    },
    {
      "nct_id": "NCT01622816",
      "title": "Comparing Visual Acuity Measurements (How Well You Can See) Using a Standard ETDRS Chart & a Handheld ETDRS Chart",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Retinopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Julia Haller",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2012-03",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2016-11-10",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01622816"
    },
    {
      "nct_id": "NCT03367793",
      "title": "Spectacles for Patients With Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision, Low"
      ],
      "interventions": [
        {
          "name": "Spectacles - Clinically Derived",
          "type": "DEVICE"
        },
        {
          "name": "Spectacles - Metric Technique #1 Derived",
          "type": "DEVICE"
        },
        {
          "name": "Spectacles - Metric Technique #2 Derived",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2018-01-26",
      "completion_date": "2019-12-05",
      "has_results": true,
      "last_update_posted_date": "2021-10-25",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03367793"
    },
    {
      "nct_id": "NCT04427852",
      "title": "Nutrition, Vision, and Cognition in Sport Study: Beef",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Change",
        "Nutrient Deficiency",
        "Nutritional Anemia",
        "Visual Spatial Processing",
        "Diet, Healthy",
        "Diet; Deficiency",
        "Dietary Deficiency",
        "Dietary B12 Deficiency",
        "Dietary Zinc Deficiency",
        "Dietary Vitamin B12 Deficiency Anemia",
        "Dietary Deficiency of Selenium and Vitamin E"
      ],
      "interventions": [
        {
          "name": "30 day Daily consumption of 1 serving of beef",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "30 day Daily consumption of 1 serving of the vegatable protein source",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2020-01-20",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04427852"
    },
    {
      "nct_id": "NCT00338208",
      "title": "Adult Providing Access to the Visual Environment (PAVE) - Glaucoma Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Training in the Use of Low Vision Devices",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2003-10",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2015-08-20",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00338208"
    },
    {
      "nct_id": "NCT03872479",
      "title": "Single Ascending Dose Study in Participants With LCA10",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Leber Congenital Amaurosis 10",
        "Inherited Retinal Dystrophies",
        "Eye Diseases, Hereditary",
        "Retinal Disease",
        "Retinal Degeneration",
        "Vision Disorders",
        "Eye Disorders Congenital"
      ],
      "interventions": [
        {
          "name": "EDIT-101",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Editas Medicine, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2019-09-26",
      "completion_date": "2025-05-23",
      "has_results": false,
      "last_update_posted_date": "2022-12-05",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 5,
      "location_summary": "Miami, Florida • Boston, Massachusetts • Ann Arbor, Michigan + 2 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03872479"
    },
    {
      "nct_id": "NCT04906135",
      "title": "Auditory Neural Function in Implanted Patients With Usher Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Usher Syndrome",
        "Cochlear Implantation"
      ],
      "interventions": [
        {
          "name": "Experimental manipulation of stimulation parameters",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "1 Year to 85 Years"
      },
      "enrollment_count": 29,
      "start_date": "2021-10-01",
      "completion_date": "2025-07-11",
      "has_results": false,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Columbus, Ohio • Nashville, Tennessee",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04906135"
    },
    {
      "nct_id": "NCT01694680",
      "title": "Intervention Trial in Early Age-related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age-related Macular Degeneration (AMD)"
      ],
      "interventions": [
        {
          "name": "Lutein-enriched-egg beverage (NWT-02)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Newtricious R&D BV",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2012-10",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-09-21",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01694680"
    },
    {
      "nct_id": "NCT04256889",
      "title": "Use Of Nfant(R) Technology Feeding System For Infants Less Than 30 Weeks GA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prematurity",
        "Extreme Prematurity"
      ],
      "interventions": [
        {
          "name": "nfant(R) feeding system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Woman's",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Weeks",
        "maximum_age": "29 Weeks",
        "sex": "ALL",
        "summary": "22 Weeks to 29 Weeks"
      },
      "enrollment_count": 23,
      "start_date": "2020-01-15",
      "completion_date": "2024-03-13",
      "has_results": false,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04256889"
    },
    {
      "nct_id": "NCT00759668",
      "title": "Visual Function and Patient Satisfaction After Bilateral Implantation of AcrySof Natural ReSTOR (Model SN60D3) or AcrySof Natural Monofocal (Model SN60AT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "Acrysof Natural ReSTOR SN60D3",
          "type": "DEVICE"
        },
        {
          "name": "Acrysof Natural Monofocal SN60AT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 35,
      "start_date": "2007-05",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2011-01-26",
      "last_synced_at": "2026-09-06T10:35:23.006Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00759668"
    }
  ]
}