{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Lens&page=2",
    "query": {
      "intervention": "Control Lens",
      "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?intervention=Control+Lens&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T07:55:30.246Z",
  "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": "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": "2026-09-04T07:55:30.246Z",
      "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": "2026-09-04T07:55:30.246Z",
      "location_count": 1,
      "location_summary": "Forest Grove, Oregon",
      "locations": [
        {
          "city": "Forest Grove",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02925884"
    },
    {
      "nct_id": "NCT04952701",
      "title": "Evaluating the Success of Habitual Multifocal Wearers When Refit With a New Lens Design",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Control lenses",
          "type": "DEVICE"
        },
        {
          "name": "Test lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "42 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2021-10-21",
      "completion_date": "2022-01-14",
      "has_results": true,
      "last_update_posted_date": "2022-04-27",
      "last_synced_at": "2026-09-04T07:55:30.246Z",
      "location_count": 5,
      "location_summary": "Ocoee, Florida • Pittsburg, Kansas • Vestal, New York + 2 more",
      "locations": [
        {
          "city": "Ocoee",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        },
        {
          "city": "College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04952701"
    },
    {
      "nct_id": "NCT03699644",
      "title": "Multimodal Ocular Imaging in Neurodegeneration",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Alzheimer Dementia",
        "Frontotemporal Dementia"
      ],
      "interventions": [
        {
          "name": "Spectral-Domain Optical Coherence Tomography (SD-OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "DEVICE"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "DEVICE"
        },
        {
          "name": "Comprehensive Ophthalmic Examination",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Fundus Photography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "45 Years to 80 Years"
      },
      "enrollment_count": 16,
      "start_date": "2019-01-04",
      "completion_date": "2019-04-03",
      "has_results": false,
      "last_update_posted_date": "2022-03-28",
      "last_synced_at": "2026-09-04T07:55:30.246Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03699644"
    },
    {
      "nct_id": "NCT03994406",
      "title": "Prolongation of Contact Lens Comfortable Wear Duration by CLM2 Topical Gel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Contact Lens Discomfort",
        "Contact Lens-induced Corneal Disorder",
        "Contact Lens Acute Red Eye",
        "Contact Lens-induced Corneal Fluorescein Staining"
      ],
      "interventions": [
        {
          "name": "CLM2 topical gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo topical gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Glia, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2019-06-27",
      "completion_date": "2019-10-30",
      "has_results": false,
      "last_update_posted_date": "2023-03-24",
      "last_synced_at": "2026-09-04T07:55:30.246Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03994406"
    },
    {
      "nct_id": "NCT04225611",
      "title": "Therapeutic Contact Lens Drug Delivery System (TCL-DDS) in Patients With Recurrent Cystoid Macular Edema",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cystoid Macular Edema"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 6,
      "start_date": "2021-03-15",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-04T07:55:30.246Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04225611"
    },
    {
      "nct_id": "NCT02719366",
      "title": "A Dispensing Clinical Trial of Comfilcon A Extended Range Multifocal Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "comfilcon A Extended Range test lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A control lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2016-03",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-04T07:55:30.246Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02719366"
    },
    {
      "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": "2026-09-04T07:55:30.246Z",
      "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": "NCT02255474",
      "title": "Bifocal Lenses In Nearsighted Kids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Biofinity Multifocal D +1.50 add",
          "type": "DEVICE"
        },
        {
          "name": "Biofinity Multifocal D +2.50 add",
          "type": "DEVICE"
        },
        {
          "name": "Biofinity",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "7 Years to 11 Years"
      },
      "enrollment_count": 294,
      "start_date": "2014-09-22",
      "completion_date": "2019-06-24",
      "has_results": true,
      "last_update_posted_date": "2021-03-10",
      "last_synced_at": "2026-09-04T07:55:30.246Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Houston, Texas",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02255474"
    },
    {
      "nct_id": "NCT02423109",
      "title": "Bilateral Dispensing Study of Fanfilcon A Toric Versus Enfilcon A Toric Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "fanfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "enfilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2015-09",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2018-01-10",
      "last_synced_at": "2026-09-04T07:55:30.246Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02423109"
    }
  ]
}