{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders&page=4",
    "query": {
      "condition": "Visual Disorders",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 988,
    "total_pages": 99,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Visual+Disorders&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T01:49:39.068Z",
  "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": "NCT00007215",
      "title": "Dynamic Light Scattering Device (DLS) Study of Age-Related Changes in the Lens and Cataracts",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract",
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 24,
      "start_date": "2000-12",
      "completion_date": "2004-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00007215"
    },
    {
      "nct_id": "NCT00002647",
      "title": "Photodynamic Therapy With Porfimer Sodium in Treating Patients With Refractory Brain Tumors",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Metastatic Cancer"
      ],
      "interventions": [
        {
          "name": "verteporfin",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "3 Years to 70 Years"
      },
      "enrollment_count": 24,
      "start_date": "1994-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-09-20",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 2,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002647"
    },
    {
      "nct_id": "NCT00467935",
      "title": "Scotoma Reduction in AMD Patients Treated With Ranibizumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "intravitreal injection Lucentis (ranibizumab)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Retina Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 20,
      "start_date": "2007-03",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2011-07-29",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 1,
      "location_summary": "Slingerlands, New York",
      "locations": [
        {
          "city": "Slingerlands",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00467935"
    },
    {
      "nct_id": "NCT04836715",
      "title": "Prevalence of Visual Dysfunction in Neurological Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Other Neurological Disorders",
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2021-01-10",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-12",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04836715"
    },
    {
      "nct_id": "NCT01527500",
      "title": "Intravitreal LFG316 in Patients With Age-related Macular Degeneration (AMD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Geographic Atrophy",
        "Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "LFG316",
          "type": "DRUG"
        },
        {
          "name": "Sham",
          "type": "DRUG"
        },
        {
          "name": "LFG316 Lower dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 158,
      "start_date": "2012-01-25",
      "completion_date": "2015-06-24",
      "has_results": true,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 19,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Beverly Hills, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01527500"
    },
    {
      "nct_id": "NCT03141996",
      "title": "Use of Vibration to Improve Visual/Spatial Neglect in Patients Affected by Stroke",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unilateral Spatial Neglect"
      ],
      "interventions": [
        {
          "name": "Vibration to upper posterior neck muscles",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2017-04-16",
      "completion_date": "2018-04-12",
      "has_results": false,
      "last_update_posted_date": "2018-11-30",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03141996"
    },
    {
      "nct_id": "NCT01445691",
      "title": "More Complete Removal of Malignant Brain Tumors by Fluorescence-Guided Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Benign Neoplasms, Brain",
        "Brain Cancer",
        "Brain Neoplasms, Benign",
        "Brain Neoplasms, Malignant",
        "Brain Tumor, Primary",
        "Brain Tumor, Recurrent",
        "Brain Tumors",
        "Intracranial Neoplasms",
        "Neoplasms, Brain",
        "Neoplasms, Intracranial",
        "Primary Brain Neoplasms",
        "Primary Malignant Brain Neoplasms",
        "Primary Malignant Brain Tumors",
        "Gliomas",
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "5-ALA (Gliolan)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Constantinos Hadjipanayis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-11",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 6,
      "location_summary": "Atlanta, Georgia • Ann Arbor, Michigan • Detroit, Michigan + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01445691"
    },
    {
      "nct_id": "NCT05774197",
      "title": "Psychological Intervention Using Smartphone Technology to Alleviate Malignant Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Pain",
        "Opioid Use",
        "Cognitive Behavior Therapy"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for pain",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2023-05-04",
      "completion_date": "2024-09-24",
      "has_results": true,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05774197"
    },
    {
      "nct_id": "NCT03710109",
      "title": "Evaluation of an EEG Based Concussion System",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Concussion"
      ],
      "interventions": [
        {
          "name": "EEG",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2018-10-23",
      "completion_date": "2025-03-17",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03710109"
    },
    {
      "nct_id": "NCT02705326",
      "title": "Evaluating the Efficacy of Opti-Speech for Speech Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Articulation Disorder",
        "Dysarthria",
        "Prelingual Deafness"
      ],
      "interventions": [
        {
          "name": "Opti-Speech",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vulintus, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "12 Years to 85 Years"
      },
      "enrollment_count": 37,
      "start_date": "2016-01",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-12-31",
      "last_synced_at": "2026-10-22T01:49:39.068Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio • Richardson, Texas",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Richardson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02705326"
    }
  ]
}