{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Refractive+Correction&page=3",
    "query": {
      "intervention": "Refractive Correction",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 66,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Refractive+Correction&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Refractive+Correction&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T14:57:45.234Z",
  "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": "NCT06110520",
      "title": "Violet Light for the Suppression of Myopia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Phototherapy"
      ],
      "interventions": [
        {
          "name": "Violet Light Lamp",
          "type": "DEVICE"
        },
        {
          "name": "White Light Lamp",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 65,
      "start_date": "2023-06-07",
      "completion_date": "2026-07-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06110520"
    },
    {
      "nct_id": "NCT01058629",
      "title": "Study to Evaluate the Clinical Performance of SynergEyes A2 Hybrid Contact Lenses",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "SynergEyes A2 Hybrid Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SynergEyes, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2009-08",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2010-08-25",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 10,
      "location_summary": "Campbell, California • Carlsbad, California • Encino, California + 7 more",
      "locations": [
        {
          "city": "Campbell",
          "state": "California"
        },
        {
          "city": "Carlsbad",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01058629"
    },
    {
      "nct_id": "NCT03998670",
      "title": "Base-in Prism Spectacles for Intermittent Exotropia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exotropia Intermittent"
      ],
      "interventions": [
        {
          "name": "Prism Glasses",
          "type": "DEVICE"
        },
        {
          "name": "Non-Prism Glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "3 Years to 13 Years"
      },
      "enrollment_count": 61,
      "start_date": "2019-09-01",
      "completion_date": "2020-07-30",
      "has_results": true,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Little Rock, Arkansas + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03998670"
    },
    {
      "nct_id": "NCT05886894",
      "title": "Air Optix Plus HydraGlyde Multifocal Daily/Extended Wear Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Lotrafilcon B multifocal soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A multifocal soft contact lenses",
          "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": 351,
      "start_date": "2023-08-08",
      "completion_date": "2025-06-20",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 8,
      "location_summary": "San Diego, California • Jacksonville, Florida • Miami, Florida + 5 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886894"
    },
    {
      "nct_id": "NCT03566680",
      "title": "Treating Contact Lens Discomfort With Orthokeratology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Eye",
        "Contact Lens Complication"
      ],
      "interventions": [
        {
          "name": "Orthokeratology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 46,
      "start_date": "2018-08-07",
      "completion_date": "2019-06-15",
      "has_results": true,
      "last_update_posted_date": "2020-08-17",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03566680"
    },
    {
      "nct_id": "NCT06812572",
      "title": "A Prospective Clinical Study to Evaluate the Repeatability of the Visibly Vision Test",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Visibly Vision Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Visibly",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "22 Years to 55 Years"
      },
      "enrollment_count": 25,
      "start_date": "2019-03-04",
      "completion_date": "2019-03-25",
      "has_results": false,
      "last_update_posted_date": "2025-02-06",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 1,
      "location_summary": "Harlingen, Texas",
      "locations": [
        {
          "city": "Harlingen",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06812572"
    },
    {
      "nct_id": "NCT03592615",
      "title": "Binocular Vision Anomalies After Cataract and Refractive Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binocular Vision Disorder",
        "Refractive Errors",
        "Cataract"
      ],
      "interventions": [
        {
          "name": "cataract surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Corneal refractive surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Salus University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2019-01-08",
      "completion_date": "2019-11-26",
      "has_results": false,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 1,
      "location_summary": "Elkins Park, Pennsylvania",
      "locations": [
        {
          "city": "Elkins Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03592615"
    },
    {
      "nct_id": "NCT07227714",
      "title": "Effect of Vision Centers on Access to Eye Care and Eye Health Outcomes",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cataract Surgery",
        "Eye Care",
        "Glasses",
        "Primary Eye Care",
        "Vision Center",
        "Eyecare Visits"
      ],
      "interventions": [
        {
          "name": "Establishment of a vision center",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150000,
      "start_date": "2026-08-01",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07227714"
    },
    {
      "nct_id": "NCT07768735",
      "title": "UNITY DX Cornea Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tomography"
      ],
      "interventions": [
        {
          "name": "UNITY DX",
          "type": "DEVICE"
        },
        {
          "name": "ANTERION",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2026-09-24",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07768735"
    },
    {
      "nct_id": "NCT01342393",
      "title": "Proof of Concept Study for First-Sight Refractive Error Correction: Direct Comparison to Manifest Refraction and Autorefraction Results",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Error"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2011-04",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-01-11",
      "last_synced_at": "2026-10-18T14:57:45.234Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01342393"
    }
  ]
}