{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Photophobia&page=2",
    "query": {
      "condition": "Photophobia",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Photophobia&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:43:39.452Z",
  "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": "NCT06961864",
      "title": "Investigating Brain Function in People With and Without Visual Snow Syndrome Using Adaptation to Visual Stimuli",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Snow Syndrome",
        "Migraine",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Visual Adaptation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Assessments and Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Functional Magnetic Resonance Imaging (fMRI)",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-04-11",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06961864"
    },
    {
      "nct_id": "NCT01942564",
      "title": "The Head Injury-associated Photosensitivity and Pupillary Function (HIPP) Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head Injury",
        "Traumatic Brain Injury (TBI)",
        "Photosensitivity",
        "Photophobia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2013-08",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01942564"
    },
    {
      "nct_id": "NCT04112667",
      "title": "Functionally Validated Structural Endpoints for Early AMD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Age-related Macular Degeneration",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Normal Macular Health",
          "type": "OTHER"
        },
        {
          "name": "Early Macular Degeneration",
          "type": "OTHER"
        },
        {
          "name": "Young Normals",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cynthia Owsley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 556,
      "start_date": "2019-10-07",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-26",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112667"
    },
    {
      "nct_id": "NCT04251234",
      "title": "Light at Night Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Light Sensitivity"
      ],
      "interventions": [
        {
          "name": "Light intensity, ~30 lux",
          "type": "OTHER"
        },
        {
          "name": "Baseline light intensity, <1 lux",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 2,
      "start_date": "2020-10-15",
      "completion_date": "2021-08-04",
      "has_results": false,
      "last_update_posted_date": "2021-08-12",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04251234"
    },
    {
      "nct_id": "NCT04743141",
      "title": "Long-term Safety Study of Rimegepant in Pediatric Subjects for the Acute Treatment of Migraine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Treatment of Migraine"
      ],
      "interventions": [
        {
          "name": "Rimegepant (PF-07899801)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 600,
      "start_date": "2021-04-28",
      "completion_date": "2030-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 116,
      "location_summary": "Scottsdale, Arizona • Tempe, Arizona • Anaheim, California + 77 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Culver City",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743141"
    },
    {
      "nct_id": "NCT04571060",
      "title": "Randomized Trial in Adult Participants With Acute Migraines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Zavegepant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1978,
      "start_date": "2020-10-27",
      "completion_date": "2021-10-22",
      "has_results": true,
      "last_update_posted_date": "2023-04-24",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 94,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Chandler, Arizona + 86 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04571060"
    },
    {
      "nct_id": "NCT00785135",
      "title": "Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binocular Dysfunction",
        "Vertical Heterophoria",
        "Vision, Binocular",
        "Vision Disparity"
      ],
      "interventions": [
        {
          "name": "Lenses containing prismatic correction",
          "type": "DEVICE"
        },
        {
          "name": "Lenses not containing prismatic correction",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vision Specialists of Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2008-11",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2020-10-12",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Birmingham, Michigan",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00785135"
    },
    {
      "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": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00812708"
    },
    {
      "nct_id": "NCT06905912",
      "title": "Comparison Between Spectacles and Contact Lenses",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photophobia"
      ],
      "interventions": [
        {
          "name": "Biomedics55 Premier contact lenses, and Altius Tinted Contact Lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Oklahoma",
      "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": "2026-07-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06905912"
    },
    {
      "nct_id": "NCT06109909",
      "title": "Pilot Study of Neurofeedback for Photosensitivity in Mild Traumatic Brain Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Traumatic Brain Injury",
        "Photophobia"
      ],
      "interventions": [
        {
          "name": "Micro Current Neurofeedback Device using Low-Frequency Pulse-Based Transcranial Electrical Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 36,
      "start_date": "2024-01-01",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-05-22T05:43:39.452Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06109909"
    }
  ]
}