{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacle+Lenses",
    "query": {
      "intervention": "Spectacle Lenses"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 93,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spectacle+Lenses&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T17:00:10.814Z",
  "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": "NCT03465748",
      "title": "Effectiveness of Orthokeratology in Myopia Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "OrthoK",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Illinois College of Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "6 Years to 13 Years"
      },
      "enrollment_count": 45,
      "start_date": "2017-05-01",
      "completion_date": "2021-12-01",
      "has_results": true,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03465748"
    },
    {
      "nct_id": "NCT05174780",
      "title": "Myopia Control With a Innovative Spectacle Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "innovative myopia control spectacle lens",
          "type": "DEVICE"
        },
        {
          "name": "Single vision spectacle lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Essilor International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 159,
      "start_date": "2021-12-29",
      "completion_date": "2025-10-20",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 9,
      "location_summary": "San Diego, California • Longwood, Florida • Chicago, Illinois + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05174780"
    },
    {
      "nct_id": "NCT02925884",
      "title": "Effects of Gunnar Computer Glasses on Viewing Comfort and Performance",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Eye",
        "Eye Strain",
        "Visual Acuity",
        "Color Perception"
      ],
      "interventions": [
        {
          "name": "Gunnar OTC Glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Pacific University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "ALL",
        "summary": "18 Years to 42 Years"
      },
      "enrollment_count": 35,
      "start_date": "2013-06",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 1,
      "location_summary": "Forest Grove, Oregon",
      "locations": [
        {
          "city": "Forest Grove",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02925884"
    },
    {
      "nct_id": "NCT05070767",
      "title": "Neurolens Headache Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binocular Vision Disorder",
        "Convergence Insufficiency",
        "Headache",
        "Computer Vision Syndrome"
      ],
      "interventions": [
        {
          "name": "Neurolens spectacle lens",
          "type": "DEVICE"
        },
        {
          "name": "Placebo spectacle lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Neurolens Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 300,
      "start_date": "2021-10-18",
      "completion_date": "2022-05-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-12",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Conyers, Georgia • Perry, Georgia + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Conyers",
          "state": "Georgia"
        },
        {
          "city": "Perry",
          "state": "Georgia"
        },
        {
          "city": "Rigby",
          "state": "Idaho"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05070767"
    },
    {
      "nct_id": "NCT04947735",
      "title": "CYPRESS Efficacy and Safety Study Extension",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Juvenile Myopia",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Novel spectacle lens design",
          "type": "DEVICE"
        },
        {
          "name": "Spectacle lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SightGlass Vision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 200,
      "start_date": "2021-07-19",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 11,
      "location_summary": "Whittier, California • Longwood, Florida • Pittsburg, Kansas + 8 more",
      "locations": [
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "West Monroe",
          "state": "Louisiana"
        },
        {
          "city": "Raytown",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04947735"
    },
    {
      "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": "2026-09-03T17:00:10.814Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01191502"
    },
    {
      "nct_id": "NCT04728451",
      "title": "Spectacle Prescribing in Early Childhood",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism Bilateral",
        "Eyeglasses"
      ],
      "interventions": [
        {
          "name": "Spectacle wear support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Spectacles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "35 Months",
        "sex": "ALL",
        "summary": "12 Months to 35 Months"
      },
      "enrollment_count": 88,
      "start_date": "2021-03-25",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2024-12-19",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04728451"
    },
    {
      "nct_id": "NCT00347620",
      "title": "Improving Vision and Quality of Life in the Nursing Home",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Error",
        "Cataract"
      ],
      "interventions": [
        {
          "name": "spectacles",
          "type": "DEVICE"
        },
        {
          "name": "Cataract Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2000-08",
      "completion_date": "2003-12",
      "has_results": false,
      "last_update_posted_date": "2010-03-15",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 17,
      "location_summary": "Alabaster, Alabama • Bessemer, Alabama • Birmingham, Alabama + 3 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Bessemer",
          "state": "Alabama"
        },
        {
          "city": "Bessemer",
          "state": "Alabama"
        },
        {
          "city": "Bessemer",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00347620"
    },
    {
      "nct_id": "NCT03733730",
      "title": "Post Approval Study of the AcrySof® IQ ReSTOR® Toric IOLs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aphakia",
        "Presbyopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "ACRYSOF IQ RESTOR +3.0 Multifocal Toric IOL",
          "type": "DEVICE"
        },
        {
          "name": "ACRYSOF IQ RESTOR +2.5 D Multifocal Toric IOL",
          "type": "DEVICE"
        },
        {
          "name": "ACRYSOF IQ RESTOR +2.5 D Multifocal IOL",
          "type": "DEVICE"
        },
        {
          "name": "Cataract Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 2449,
      "start_date": "2018-11-27",
      "completion_date": "2022-10-14",
      "has_results": true,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 37,
      "location_summary": "Dothan, Alabama • Phoenix, Arizona • Fresno, California + 32 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03733730"
    },
    {
      "nct_id": "NCT03123822",
      "title": "Spectacles Lens in Concussed Kids",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Mild",
        "Convergence Insufficiency",
        "Accommodation; Insufficiency"
      ],
      "interventions": [
        {
          "name": "Glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 10,
      "start_date": "2017-10-31",
      "completion_date": "2021-10-01",
      "has_results": true,
      "last_update_posted_date": "2022-06-23",
      "last_synced_at": "2026-09-03T17:00:10.814Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03123822"
    }
  ]
}