{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clear+lenses",
    "query": {
      "intervention": "Clear lenses"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 51,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clear+lenses&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T12:17:25.549Z",
  "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": "NCT03968731",
      "title": "Meibomian Gland Dysfunction Management With ZEST Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meibomian Gland Dysfunction",
        "Dry Eye Syndromes",
        "Ocular Surface Disease"
      ],
      "interventions": [
        {
          "name": "Zocular Eyelid System Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of the Incarnate Word",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2019-06-10",
      "completion_date": "2020-05-31",
      "has_results": false,
      "last_update_posted_date": "2022-07-14",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03968731"
    },
    {
      "nct_id": "NCT01250964",
      "title": "Endothelial Cell Loss and Induced Astigmatism After Wound-directed and Wound-assisted IOL Injection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataracts",
        "Cataract Surgery"
      ],
      "interventions": [
        {
          "name": "Lens insertion during cataract surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": "2010-04",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2010-12-01",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01250964"
    },
    {
      "nct_id": "NCT05235321",
      "title": "Automated Applanation Tonometry",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma",
        "Glaucoma, Suspect"
      ],
      "interventions": [
        {
          "name": "Standard GAT",
          "type": "DEVICE"
        },
        {
          "name": "Fixed force GAT",
          "type": "DEVICE"
        },
        {
          "name": "Upright applanating prototype",
          "type": "DEVICE"
        },
        {
          "name": "Supine Applanating Prototype",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 118,
      "start_date": "2022-11-21",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05235321"
    },
    {
      "nct_id": "NCT00804999",
      "title": "Two Phase Clinical Study of the Impact of Contact Lenses and Solutions on Corneal Structure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Normal Contact Lens Wear"
      ],
      "interventions": [
        {
          "name": "Clear Care",
          "type": "DRUG"
        },
        {
          "name": "ReNu",
          "type": "DRUG"
        },
        {
          "name": "OPTI-FREE",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Christine Sindt",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2008-11-01",
      "completion_date": "2009-03-01",
      "has_results": true,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00804999"
    },
    {
      "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": "2026-09-13T12:17:25.549Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03992586"
    },
    {
      "nct_id": "NCT07223086",
      "title": "Use of Tinted Contact Lenses for Concussion-Related Light Sensitivity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Mild",
        "Photophobia",
        "Contact Lens"
      ],
      "interventions": [
        {
          "name": "Narrow band (tinted) contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "broad band (clear) contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-05-08",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07223086"
    },
    {
      "nct_id": "NCT03920280",
      "title": "Clinical Evaluation of a Daily Wear Frequent Replacement Silicone Hydrogel Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "LID015385 contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2019-05-22",
      "completion_date": "2019-10-05",
      "has_results": true,
      "last_update_posted_date": "2022-07-28",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 8,
      "location_summary": "Maitland, Florida • Orlando, Florida • Pensacola, Florida + 5 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03920280"
    },
    {
      "nct_id": "NCT04422990",
      "title": "Clinical Evaluation of a Silicone Hydrogel Daily Wear Monthly Replacement Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 158,
      "start_date": "2020-10-01",
      "completion_date": "2021-05-18",
      "has_results": true,
      "last_update_posted_date": "2022-03-29",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Novato, California • Oakland, California + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Novato",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04422990"
    },
    {
      "nct_id": "NCT04207749",
      "title": "Clinical Evaluation of a Daily Wear Silicone Hydrogel Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Myopia",
        "Hyperopia"
      ],
      "interventions": [
        {
          "name": "LID015385 contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 249,
      "start_date": "2020-01-22",
      "completion_date": "2020-12-17",
      "has_results": true,
      "last_update_posted_date": "2022-02-02",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 18,
      "location_summary": "Glendale, Arizona • Brentwood, California • Irvine, California + 15 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Brentwood",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Novato",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04207749"
    },
    {
      "nct_id": "NCT05765227",
      "title": "Clinical Evaluation of a Manufacturing Process for a Frequent Replacement Silicone Hydrogel Multifocal Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Ametropia"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Hydrogen peroxide-based cleaning and disinfection system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2023-03-08",
      "completion_date": "2023-03-30",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-09-13T12:17:25.549Z",
      "location_count": 1,
      "location_summary": "Johns Creek, Georgia",
      "locations": [
        {
          "city": "Johns Creek",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05765227"
    }
  ]
}