{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacles&page=4",
    "query": {
      "intervention": "Spectacles",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 263,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacles&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacles&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T05:05:48.065Z",
  "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": "NCT01191502",
      "title": "Comparative Study of Photopic and Mesopic Distance, Intermediate and Near Visual Acuity, and Spectacle Independence",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Innovative Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2010-01",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2011-10-06",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01191502"
    },
    {
      "nct_id": "NCT02954809",
      "title": "Feasibility of Bright Light Therapy on Fatigue, Sleep and Circadian Activity Rhythms in Lung Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fatigue",
        "Sleep Disturbance",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Morning bright light therapy",
          "type": "DEVICE"
        },
        {
          "name": "Dim light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2016-10",
      "completion_date": "2018-01",
      "has_results": true,
      "last_update_posted_date": "2025-05-01",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02954809"
    },
    {
      "nct_id": "NCT06976138",
      "title": "Sleep TO Prevent Post-surgical Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthristis"
      ],
      "interventions": [
        {
          "name": "Cognitive-Behavioral Therapy for Insomnia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bright Light therapy via the Re-Timer®",
          "type": "DEVICE"
        },
        {
          "name": "Negative Ion exposure via IonMi Device",
          "type": "DEVICE"
        },
        {
          "name": "Sleep / Knee Osteoarthritis Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2025-06-13",
      "completion_date": "2029-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Chestnut Hill, Massachusetts",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06976138"
    },
    {
      "nct_id": "NCT07427862",
      "title": "Virtual Reality (VR) for Interventional Radiology (IR) Procedures",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain",
        "Procedural Anxiety"
      ],
      "interventions": [
        {
          "name": "Meta Oculus Quest Pro",
          "type": "DEVICE"
        },
        {
          "name": "Pico 4",
          "type": "DEVICE"
        },
        {
          "name": "Pico G3",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2026-03-01",
      "completion_date": "2026-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07427862"
    },
    {
      "nct_id": "NCT05114616",
      "title": "Assessment of Consciousness States with NextSense Ear Bud Devices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "NextSense EEG-enabled earbuds",
          "type": "DEVICE"
        },
        {
          "name": "Ellcie Healthy Glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "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": 16,
      "start_date": "2021-11-18",
      "completion_date": "2023-09-22",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05114616"
    },
    {
      "nct_id": "NCT01923675",
      "title": "Myopia:the Role of Cone Opsin Mutations & Glasses That Control Axial Elongation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Spectacles with red-blocking tint",
          "type": "OTHER"
        },
        {
          "name": "Spectacles with holographic diffuser and color neutral tint",
          "type": "OTHER"
        },
        {
          "name": "Spectacles with holographic diffuser and red-blocking tint",
          "type": "OTHER"
        },
        {
          "name": "Spectacles with color neutral tint",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "8 Years to 13 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-11",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2019-08-14",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01923675"
    },
    {
      "nct_id": "NCT03992586",
      "title": "Effect of Rose-colored Glass on Mood",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mood"
      ],
      "interventions": [
        {
          "name": "Wearing pink glasses",
          "type": "OTHER"
        },
        {
          "name": "Wearing clear glasses",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Florida Center for Dermatology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2018-08-30",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-08-25",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03992586"
    },
    {
      "nct_id": "NCT05056870",
      "title": "Clinical Evaluation of Spherical Soft Contact Lenses, Toric Soft Contact Lenses and Spectacles in Low Astigmats",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "ACUVUE Oasys 1-Day with HydraLuxe Technology for Astigmatism",
          "type": "DEVICE"
        },
        {
          "name": "ACUVUE Oasys 1-Day with HydraLuxe Technology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 174,
      "start_date": "2021-09-15",
      "completion_date": "2022-03-03",
      "has_results": true,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 13,
      "location_summary": "Rocklin, California • Longwood, Florida • Maitland, Florida + 10 more",
      "locations": [
        {
          "city": "Rocklin",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Kaneohe",
          "state": "Hawaii"
        },
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05056870"
    },
    {
      "nct_id": "NCT03694626",
      "title": "Objectively Diagnose and Monitor Treatment of Light Sensitivity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photophobia",
        "Traumatic Brain Injury",
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Pupillography",
          "type": "DEVICE"
        },
        {
          "name": "Ocular Coherence Tomography (OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Wrist-watch sensor device",
          "type": "DEVICE"
        },
        {
          "name": "Videography",
          "type": "DEVICE"
        },
        {
          "name": "Electrophysiology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Randy Kardon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-07-11",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03694626"
    },
    {
      "nct_id": "NCT02769858",
      "title": "The Effects of Light Therapy on Circadian Rhythms, Sleep, and Mood in Postpartum Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression, Postpartum"
      ],
      "interventions": [
        {
          "name": "Light therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2015-06",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2021-04-22",
      "last_synced_at": "2026-10-18T05:05:48.065Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02769858"
    }
  ]
}