{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Eyeglass+lenses",
    "query": {
      "intervention": "Eyeglass lenses"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 95,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Eyeglass+lenses&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T21:44:51.958Z",
  "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": "NCT06723158",
      "title": "Oral Surgery Virtual Reality Glasses Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Procedural Anxiety",
        "Procedural Pain"
      ],
      "interventions": [
        {
          "name": "Virtual reality (VR) glasses with relaxation module",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 80,
      "start_date": "2025-11-18",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06723158"
    },
    {
      "nct_id": "NCT00317525",
      "title": "Effects of Different Add Powers on the Comfort and Productivity of Computer Users With Fixed or Free Head Movement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Refractive Errors",
        "Asthenopia"
      ],
      "interventions": [
        {
          "name": "Spectacle Lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "American Optometric Association",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2005-05",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2006-09-11",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00317525"
    },
    {
      "nct_id": "NCT05801991",
      "title": "Neurolens and Contact Lens Discomfort",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contact Lens Discomfort"
      ],
      "interventions": [
        {
          "name": "Neurolens",
          "type": "DEVICE"
        },
        {
          "name": "Placebo spectacle lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Southern California College of Optometry at Marshall B. Ketchum University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2023-05-01",
      "completion_date": "2024-03-05",
      "has_results": true,
      "last_update_posted_date": "2025-04-22",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Fullerton, California",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05801991"
    },
    {
      "nct_id": "NCT01275118",
      "title": "Comparison of Postoperative Visual Acuity and Spectacle Independence Between the Tecnis Multifocal Intraoculer Lens (IOL) and the Crystalens Accommodating IOL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "Tecnis Multifocal IOL",
          "type": "DEVICE"
        },
        {
          "name": "crystalens Accommodating IOL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mark Packer, MD, FACS",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2010-12",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2014-02-28",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01275118"
    },
    {
      "nct_id": "NCT03902496",
      "title": "Optical Treatment of Migraines Using the Avulux™ Optical Filter in the Form of Spectacle Lenses.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "HIT-6 Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Avulux Spectacles",
          "type": "DEVICE"
        },
        {
          "name": "Sham Spectacles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Avulux, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2019-03-18",
      "completion_date": "2019-05-17",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03902496"
    },
    {
      "nct_id": "NCT06310135",
      "title": "Filtered Eyewear to Prevent Light-induced Melatonin Suppression - Aim 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Quality"
      ],
      "interventions": [
        {
          "name": "Filtered Eyewear",
          "type": "DEVICE"
        },
        {
          "name": "Unfiltered Eyewear",
          "type": "DEVICE"
        },
        {
          "name": "No Filters",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2024-05-01",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-05",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Menands, New York",
      "locations": [
        {
          "city": "Menands",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06310135"
    },
    {
      "nct_id": "NCT04570579",
      "title": "Impact of a Novel Extended Depth of Focus Intraocular Lens on Visual and Lifestyle Enhancement",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract",
        "Cataract Senile",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Vivity Extended Depth of Focus Intraocular Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alanna Nattis, DO",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2020-10-14",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-14",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Babylon, New York",
      "locations": [
        {
          "city": "Babylon",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04570579"
    },
    {
      "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": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06905912"
    },
    {
      "nct_id": "NCT07168564",
      "title": "Post Marketing Clinical Study on the Efficacy of Lenses From a New Prescription Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia",
        "Refractive Error"
      ],
      "interventions": [
        {
          "name": "AVA lenses",
          "type": "DEVICE"
        },
        {
          "name": "Standard lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Essilor International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-09-22",
      "completion_date": "2026-05-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07168564"
    },
    {
      "nct_id": "NCT00585026",
      "title": "Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Refractive Error",
        "Presbyopia",
        "Asthenopia",
        "Eyeglasses"
      ],
      "interventions": [
        {
          "name": "D-28 bifocal lenses and frame",
          "type": "DEVICE"
        },
        {
          "name": "Progressive addition computer lenses and frame",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2006-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2011-06-15",
      "last_synced_at": "2026-09-25T21:44:51.958Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00585026"
    }
  ]
}